Shares fell 2.8 per cent after the closing bell on Wall Street

Tesla delivered 480,126 vehicles in Q2, beating estimates. The stock dropped. Rivian's R2 targets Tesla's core price band. Options traders are positioning bearish.

Tesla's profits fell last quarter as the car company run by Elon Musk shoveled more money into research and development, cutting into profits from a sharp increase in vehicle…

Shares fell 2.8 per cent after the closing bell on Wall Street