Super Micro Computer (SMCI -8.74%) started the year with plenty of promise. The stock soared 188% in the first half, even beating market darling Nvidia, thanks to its dominance in the artificial intelligence (AI) equipment market. Investors piled into the stock as the company reported record demand for its data center equipment from AI customers -- and that resulted in triple-digit revenue growth.But troubling news started to pile up a few months ago, halting Supermicro's fantastic momentum -- and the share ...