Super Micro Computer, the server maker that has delayed filing its earnings for the past fiscal year, was heading higher on Tuesday after gaining almost 10% to start the week. The stock, which was the most volatile in the S&P 500 index 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.