Tesla explodes! Stock price rises nearly 22%, market value increases by $150 billion! What happened? On the evening of October 24th, the US stock market closed with mixed gains and losses, with the Dow Jones Industrial Average falling 0.33%, the Nasdaq rising 0.76%, and the S&P 500 index rising 0.21%. Q3 profit exceeded market expectations, causing Tesla's stock price to soar nearly 22%, the largest daily increase since May 2013, and a market value increase of approximately $150 billion.