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

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.

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,

Super Micro Computer (NASDAQ: SMCI) stock posted big gains in Friday's trading. The server specialist's share price closed out the day's trading up 10.9% amid gains of 1.2% for the S&P 500 index and 1.

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.

Dividend stocks can be your best friend in retirement -- especially when their payouts allow you to cover your living expenses without selling shares. The company has grown its earnings at a 4.4% annualized pace over the past five years, and analysts estimate it will grow them by 3.5% annually over the next three to five years.