The company is called Nikola Motor Company.
The companies are making news in midday trading.
The electric truck maker saw its stock surge more than 16% a day after it announced on the social media site that it had delivered its first customer.
Novavax fell 2.5% despite reporting that a two-dose treatment of its Covid-19 vaccine demonstrated strong immune responses against the omicron variant. The response to omicron was lower than against the original virus strain and a booster dose would be helpful.
The Chinese social media company said it will distribute most of its stake in the Chinese e-commerce giant to shareholders in the form of a $16.4 billion dividend.
The results of a review of the gaming industry in Macao led to a rise in casino stocks. According to FactSet, there should be six operators. Wynn and Las Vegas Sands both had gains. When Macao announced the review, the stocks were trading at a discount.
Working Capital Advisors, a shareholder of Stitch Fix, disclosed that it had purchased 3.4 million shares of the company, bringing its total holdings to over 10 million shares.
Crocs' stock price dropped more than 14 percent after the company announced it would buy rival Heydude for $2.5 billion in cash and stock. The deal is expected to close in the first quarter of next year.
After Musk announced he was almost done with selling his shares, the stock price of the company rose more than 5%. He said he had completed enough transactions to reach his goal of selling 10% of his shares.
The news that Ortho will be acquired by a diagnostics technology provider boosted the stock price of the company. The deal is worth about $24.68 per share. The shares of the company fell by about 17%.
Scientific Games, one of the company's largest shareholders, withdrew its offer to acquire the remaining 19% equity interest in the company. Scientific Games shares jumped more than 10%.
The produce company's shares fell more than 8% after it reported a miss on both earnings and revenue, due to supply challenges.
CNBC's Hannah Miao, Jesse Pound, and Yun Li contributed to the report.
