What has changed in the United Kingdom since the June 2016 Brexit referendum?

Have there been any drastic changes in the UK economy since the June 2016 Brexit referendum? This may involve : Foreign trade (level, weight of Europe); Corporate investment, housing investment , foreign direct investment; The size of industry, business services and financial services; Capital inflows; share prices and real estate prices , the exchange rate; Immigration, productivity , potential growth. It seems that the following significant changes have taken place: A decline in foreign trade with the EU; A stagnation in all forms of investment; A contraction in financial services; A decline in share prices and commercial real estate prices; Exchange rate depreciation; A decline in both immigration and productivity.