Quantum, Kopin, Alamar Biosciences And Other Big Stocks Moving Higher On Tuesday - Sea (NYSE:SE), Riot Pl

U.S. stocks were mixed, with the Dow Jones index gaining around 150 points on Tuesday.

Shares of Quantum Corp (NASDAQ:QMCO) rose sharply during Tuesday’s session after the company reported better-than-expected first-quarter financial results and issued second-quarter guidance above estimates.

Quantum posted adjusted earnings of 18 cents per share, versus market estimates of a loss of 17 cents per share.

The company’s sales came in at $80.803 million, versus estimates of $75.050 million.

Quantum shares jumped 44% to $16.96 on Tuesday.