Tesla joins Wall Street's S&P 500 share index

Elon Musk's car firm becomes stock market's sixth-largest member on joining

Tesla has joined Wall Street's prestigious S&P 500 share index as its sixth-largest member, immediately rubbing shoulders with the likes of Amazon, Apple and Facebook.

Shares in the electric carmaker fell by more than 5% on its debut day on Monday, amid widespread investor concern about the potential impact on global trade of the mutant coronavirus strain identified in the UK.