Key Takeaways Supermicro shares fell substantially this week, reversing some of the stock's recent momentum.The company filed belated financial disclosures with the SEC this week, beating a deadline that could have meant delisting from the Nasdaq.

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.

A Mizuho analyst has brought back his coverage of Super Micro shares — but declines to recommend them, citing competitive challenges.