Super Micro Computer has emerged as one of the biggest beneficiaries of the artificial-intelligence boom, and the stock ended February as the top performer in the S&P 500. Shares of the server maker,

All of this halted spectacular momentum that had pushed the stock to a nearly 800% gain in the previous three years. Supermicro was one of the early winners of the artificial intelligence (AI) boom as it makes servers and other equipment critical to the operations of AI data centers.

Super Micro Computer (NASDAQ: SMCI) stock is seeing a big pullback in Thursday's trading. The company's share price was down 12% as of 2 p.m. ET amid flat trading for the S&P 500 index and a 0.6% decline for the Nasdaq Composite.