Stocks give up strong early gains to end lower Tuesday, dragged lower by a fall in tech stocks.

Shares of Tesla Inc. surged more than 7% in the extended session Tuesday after the Silicon Valley car maker said its board has approved a five-for-one split of the company's common stock "in the form of a stock dividend to make stock ownership more accessible to employees and investors." Each shareholder of record on Aug. 21 will receive a dividend of four additional shares of common stock for each then-held share, to be distributed after the close on Aug. 28, the company said. Trading will begin on a stock split-adjusted basis on Aug. 31, Tesla said. The stock has gained 229% this year, compared with gains around 3% for the S&P 500 index.

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Shares of Eastman Kodak Co. rose more than 10% in the extended session on Tuesday after the company reported a second-quarter loss of $5 million. That contrasted with a profit of $201 million in the year-ago period, but came as the company "continued to navigate the challenges posed by the pandemic during the second quarter," it said in a statement. Revenue fell to $213 million from $307 million a year ago. "Although the print industry slowdown impacted our performance, we continued to serve our customers and furthered our long history of innovation through the launch of six new print products," Executive Chairman Jim Continenza said in the statement. Kodak did not provide per-share figures and no analyst surveyed by FactSet had financial forecasts for the company's quarter. The company said it ended the period with a cash balance of $180 million, down from a March 31 cash balance of $209 million. Interest in Kodak shares has experienced a resurgence in recent days on news of a potential deal to give Kodak a $765 million loan to help pay for factory changes needed to make generic drugs in short supply in the U.S. Shares fell 54% so far this week, however, on news the deal may be off for the time being.

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