Aehr Test Systems develops, manufactures and sells systems which are designed to reduce the cost of testing and to perform reliability screening, and stress testing, burn-in or cycling, of homogeneous and heterogenous logic and memory integrated circuits (ICs), sensors and optical devices. These systems can be used to simultaneously perform parallel testing and burn-in of packaged ICs, singulated bare die or ICs still in wafer form. The company's products families include the ABTS? and FOX? systems, the WaferPak? cartridge and the DiePak? carrier. The company manufactures and markets full wafer contact test systems, test during burn-in systems, test fixtures and related accessories.

Anterix is a wireless communications company focused on developing and commercializing its assets to enable its infrastructure and enterprise customers to deploy private broadband networks, technologies and solutions.

Applied Optoelectronics provides fiber-optic networking products, for four networking end-markets: internet data center, cable television, telecommunications, and fiber-to-the-home. The company designs and manufactures a range of optical communications products at varying levels of integration, from components, subassemblies and modules to complete turn-key equipment. The company's components often incorporate one or more of its optical laser chips inside a precision housing that provides mechanical protection as well as standardized electrical contacts. Other optical components may also include optical filters or other optical elements by which optical signals are routed internally within the component.

Atomera is engaged in the business of developing, commercializing and licensing proprietary materials, processes and technologies for semiconductor industry. The company's primary technology, named Mears Silicon Technology? (MST?), is a thin film of reengineered silicon. MST can be applied as a transistor channel enhancement to CMOS-type transistors used in the semiconductor industry. The company has an agreement with TSI Semiconductors America LLC to provide the company with engineering services in their semiconductor manufacturing facility in California. The company also has a collaboration with Synopsys, Inc., which supports modeling of MST.

AXT is a developer and producer of compound and single element semiconductor substrates, also known as wafers. The company's compound substrates combine indium with phosphorous (indium phosphide: InP) or gallium with arsenic (gallium arsenide: GaAs). InP is a semiconductor substrate used in, among others, fiber optic lasers and detectors, passive optical networks, metro and data center connectivity, silicon photonics, infrared motion control and infrared thermal imaging. The company also makes semi-insulating GaAs substrates used in making semiconductor chips in applications such as power amplifiers for wireless devices, transistors and solar cells for drones. In addition, the company sells certain raw materials.

Ciena is a networking systems, services and software company, providing solutions that enable a range of network operators to deploy and manage networks that deliver services to businesses and consumers. The company provides hardware, software and services that support the transport, switching, aggregation, service delivery and management of video, data and voice traffic on communications networks. The company's solutions are used by communications service providers, cable and multiservice operators, Web-scale providers, submarine network operators, governments, enterprises, research and education institutions and other network operators.

Cohu provides semiconductor test equipment and services. The company's products include semiconductor test, which is used for wafer level and device package testing; semiconductor handlers, which are used to automate the testing and inspection of packaged semiconductor devices; thermal sub-systems, which provide temperature control of the integrated circuit during the testing process; bare board printed circuit board (PCB) test systems, which are used to test pre-assembly PCBs; interface products, which consist of test contactors and probe pins; spares and kits, which provide consumable, non-consumable and spare items; and services, which performs installations and maintenance of systems sold.

Comfort Systems USA provides mechanical contracting services, which include heating, ventilation and air conditioning (HVAC), plumbing, piping and controls, as well as off-site construction, electrical, monitoring and fire protection. The company provides construction, renovation, expansion, maintenance, repair and replacement services for mechanical and related systems in commercial, industrial and institutional properties. The company's installation business related to newly constructed facilities involves the design, engineering, integration, installation and start-up of mechanical and related systems. The company also provides remote monitoring of temperature, pressure, humidity and air flow for HVAC systems.

Corning is a provider of glass for notebook computers, flat panel desktop monitors, display televisions, and other information display applications; carrier network and enterprise network products for the telecommunications industry; ceramic substrates for gasoline and diesel engines in automotive and heavy duty vehicle markets; laboratory products for the scientific community and specialized polymer products for biotechnology applications; optical materials for the semiconductor industry and the scientific community; and other technologies. The company reportable segments are: Display Technologies, Optical Communications, Environmental Technologies, Specialty Materials and Life Sciences.

CubeSmart is a self-administered and self-managed real estate company focused primarily on the ownership, operation, management, acquisition, and development of self-storage properties in the U.S. The company's self-storage facilities provide storage space for its residential and commercial customers. The company's customers rent storage cubes for their use on a month-to-month basis. Additionally, some of the company's stores provide outside storage areas for vehicles and boats. The company's stores are designed to accommodate both residential and commercial customers, with features such as aisles and load-bearing capabilities for truck access.

Extra Space Storage is a self-administered and self-managed real estate investment trust, which is engaged in owning, operating, managing, acquiring, developing and redeveloping self-storage properties. Substantially all of the company's business is conducted through Extra Space Storage LP. The company operates in two segments: self-storage operations; and tenant reinsurance. Co's self-storage operations activities include rental operations of wholly-owned stores. Tenant reinsurance activities include the reinsurance of risks relating to the loss of goods stored by tenants in the company's stores.

Funko is holding company. Through its subsidiaries, the company is a pop culture consumer products company. The company sells various licensed pop culture consumer products featuring characters from a range of media and entertainment content, including movies, TV shows, video games, music and sports. The company's product categories include: Figures, which includes figures that celebrate pop culture icons in the form of stylized vinyl, blind-packed miniatures and action figures; and Other, which includes plush products that are soft-sculpt figures; apparel (including t-shirts and hats); homewares (including drinkware, party lights and other home accessories); and stylized bags, purses and wallets and board games.

Gladstone Commercial is a holding company, engaged in a real estate investment trust. The company focuses on acquiring, owning, and managing primarily office and industrial properties. On a selective basis, the company may make long term industrial and office mortgage loans. The company's properties are geographically diversified and its tenants cover a range of business sectors and size from small to large private and public companies. The company conducts substantially all of its business activities through an Umbrella Partnership Real Estate Investment Trust structure, by which all of the company's properties are held, directly or indirectly, by Gladstone Commercial Limited Partnership.

Gran Tierra Energy, together with its subsidiaries, is a company focused on oil and gas exploration and production in Colombia. Co. is primarily engaged in the exploration and production of oil and natural gas. Co. has one reportable segment based on geographic organization, Colombia. As of Dec 31 2017, Co. had total estimated proved reserves of 59.3 million barrels of oil and natural gas equivalent, consisting of 58.9 million barrels of oil and 2.1 million cubic feet of natural gas.

LGI Homes is a holding company. Through its subsidiaries, the company is engaged in the design, construction, and sale of new homes in markets in Texas, Arizona, Florida, Georgia, New Mexico, South Carolina, North Carolina, Colorado, Washington, Tennessee, Minnesota, Oklahoma, Alabama, California, Oregon, and Nevada. The company's product offerings include entry-level homes, including both detached homes and townhomes, and move-up homes sold, which are sold under its LGI Homes brand, and its luxury series homes, which are sold under its Terrata Homes brand. The company's homebuilding operations are organized and managed by seven divisions: West, Northwest, Central, Midwest, Florida, Southeast and Mid-Atlantic.

Moderna is creating a new generation of medicines based on messenger RNA to improve the lives of patients. The company uses its platform to identify and develop new mRNA medicines. When the company identifies a combination of platform technologies or programs across mRNA technologies, delivery technologies, and manufacturing processes that can enable shared product features across multiple potential mRNA medicines, it groups those programs as a modality. The company has created six modalities including prohylactic vaccines; cancer vaccines; intratumoral immuno-oncology; localized regenerative therapeuctics; systemic secreted therapeutics; and systemic intracellular therapeutics.

Oxford Industries is an apparel company that designs, sources, markets and distributes products bearing the trademarks of its Tommy Bahama, Lilly Pulitzer and Southern Tide lifestyle brands, other owned brands and licensed brands as well as private label apparel products. The company's business is primarily operated through its Tommy Bahama, Lilly Pulitzer, Lanier Apparel and Southern Tide operating groups. The company distributes its products through its direct to consumer channels, consisting of its Tommy Bahama and Lilly Pulitzer retail stores and its e-commerce sites for Tommy Bahama, Lilly Pulitzer and Southern Tide, and through its wholesale distribution channels.

Career Education's academic institutions provide education to students in a variety of disciplines through online, campus-based and blended learning programs. The company's reporting segments are: Colorado Technical University, which provides industry-relevant degree programs and academic programs in the career-oriented disciplines of business studies, nursing, computer science, engineering, information systems and technology, cybersecurity and healthcare management; and American InterContinental University, which helps personnel get the degree and provides academic programs in the career-oriented disciplines of business studies, information technologies, education and criminal justice.

Principal Financial Group is an insurance holding company, engaged in investment management. The company provides businesses, individuals and institutional clients a range of financial products and services, including retirement, asset management and insurance through its financial services companies. The company provides long-term investment strategies to institutional, retirement, high net worth and retail clients by providing a range of capabilities including equity, fixed income, real estate and other alternative investments, as well as fund offerings. The company's segments include: retirement and income solutions; principal global investors; principal international; and United States insurance solutions.

Richardson Electronics is a provider of engineered solutions, power grid and microwave tubes and related consumables; power conversion and RF and microwave components; flat panel detector solutions, replacement parts, tubes and service training for diagnostic imaging equipment; and customized display solutions. The company provides solutions through design-in support, systems integration, prototype design and manufacturing, testing, logistics, and aftermarket technical service and repair through its global infrastructure. The company's products include electron tubes and related components, microwave generators, subsystems used in semiconductor manufacturing, and visual technology solutions.

Sensata Technologies Holding is a holding company. Co. conducts its business through subsidiary companies, which operate business and product development centers in the U.S., the Netherlands, Belgium, China, Germany, Japan, South Korea, and the U. K.; and manufacturing operations in China, Malaysia, Mexico, Bulgaria, Poland, France, Germany, the U.K., and the U.S. Co. is engaged in the development, manufacture and sale of sensors and controls. Co. produces a range of sensors and controls for applications such as pressure sensors in automotive systems, and thermal circuit breakers in aircraft, among others. Co.'s operations has two businesses, Performance Sensing and Sensing Solutions.

Tandem Diabetes Care is a medical device company engaged in designing, developing and commercializing products for people with insulin-dependent diabetes. The company primarily focuses on the t:slim X2 Insulin Delivery System, or t:slim X2, the company's key pump platform that is capable of remote feature updates and designed to display continuous glucose monitoring sensor information directly on the pump home screen. In addition to selling insulin pumps, the company sells disposable products that are used together with the pumps and are replaced every few days, including cartridges for storing and delivering insulin, and infusion sets that connect the insulin pump to a user's body.

TTM Technologies is a printed circuit board (PCB) manufacturer. The company provides a range of PCB products, radio-frequency (RF) components, and electro-mechanical solutions, including conventional PCBs, RF and microwave circuits, high density interconnect PCBs, substrate-like PCBs, flexible PCBs, rigid-flex PCBs, custom assemblies and system integration, integrated circuits substrates, passive RF components, advanced ceramic RF components, hi-reliability multi-chip modules, and beamforming and switching networks. The company also provides certain services, which includes design-for-manufacturability, PCB layout design, simulation and testing services, and quick turnaround production.

Under Armour is engaged in the development, marketing and distribution of apparel, footwear and accessories for men, women and youth. The company provides HEATGEAR?, which is designed to be worn in warm to hot temperatures under equipment or as a single layer; and COLDGEAR?, which is designed to wick moisture from the body while circulating body heat from hot spots to help maintain core body temperature. The company's footwear products include running, basketball, cleated sports, slides, training, and outdoor. The company provides digital fitness subscriptions, along with digital advertising through its MapMyFitness, MyFitnessPal and Endomondo applications.

Vicor designs, develops, manufactures, and markets modular power components and power systems for converting electrical power. Reflecting its Power Component Design Methodology, the company provides a range of modular building blocks enabling design of a power system specific to a customer's needs. The company categorizes its product portfolios as either Advanced Products or Brick Products. The company also sells a range of electrical and mechanical accessories for use with its products. The Advanced Products category consists of products which are used to implement the company's proprietary Factorized Power Architecture?, a power distribution architecture. The Brick Products category consists of integrated power systems.