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This was the stock's second consecutive day of losses.

Super Micro Computer Inc. stock was rising ahead of the opening bell, putting the server maker on course to build on Friday’s double-digit gains. Super Micro was the most volatile S&P 500 stock last year,

It's been a topsy-turvy year for Super Micro Computer ( SMCI 10.91%). Once seen as the next big artificial intelligence (AI) stock, it has come crashing down to reality in recent months due to concerns about the reliability of its numbers and accounting controls.

Supermicro stock is surging today thanks to bullish coverage from an analyst. Lynx Equity recently published bullish coverage on the stock, and the firm thinks that new hardware from Nvidia will lift the server specialist's performance.

Shares of Super Micro Computer Inc. SMCI slid 5.68% to $34.38 Tuesday, on what proved to be an all-around dismal trading session for the stock market, with the S&P 500 Index SPX falling 1.11% to 5,909.03 and Dow Jones Industrial Average DJIA falling 0.42% to 42,528.36.

Super Micro stock is set to notch a yearly gain of 6%, but shares remain far below highs near $120 in mid-March.

Big swings up and down have become typical for Super Micro, which is caught between the hype of artificial intelligence and concerns about the firm’s finances.