Super Micro shares are down more than 80% since the company joined the S&P 500 in March. That poor performance could catch the eye of the index committee, an expert said.

Super Micro Computer stock fell 4.4% Wednesday after it delayed the filing of its quarterly 10-Q form to the Securities and Exchanges Commission. It also has yet to file its 10-K annual report for the period ended June 30,

Super Micro stock continues to slide after the AI company delayed the filing of its quarterly results, which could cause a delisting from the Nasdaq. Here's why.