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.
Moody's Investors Service is a leading provider of credit ratings, research, and risk analysis. Moody's commitment and expertise contributes to transparent and integrated financial markets, protecting the integrity of credit. Our ratings and analysis track debt covering more than:
Credit ratings and research help investors analyze the credit risks associated with fixed-income securities. Such independent credit ratings and research also contribute to efficiencies in fixed-income markets and other obligations, such as insurance policies and derivative transactions, by providing credible and independent assessments of credit risk.
Moody’s default studies validate our predictive ratings. Our published research and investor briefings draw thousands of attendees each year and keep investors current with the rationale underlying our credit opinions.
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