https://www.cnbc.com/2018/08/02/tesla-stock-soars-after-earnings-promises-of-a-profitable-second-half.html > Shares of Tesla are set to soar nearly 10 percent at the open Thursday after CEO Elon Musk and the automaker promised a profitable second half of 2018 during its second-quarter earnings report. > The stock was trading just under $330 premarket, after closing Wednesday at $300.84. It's a welcome stock bump for investors, who sent Tesla shares skidding more than 5 percent after the company's last earnings report in May and a bizarre call with analysts.