Super Micro Computer shares drop over 10% on DOJ investigation but rebound 4.6%

Shares of Super Micro Computer (NASDAQ: SMCI) fell over 10% on Thursday due to a Department of Justice investigation into potential accounting violations. The stock has dropped more than 60% from its peak during the AI market surge. On Friday, SMCI shares rebounded, rising 4.6% to $421.32. Professional traders noted that the market often overreacts to news, suggesting that some negative impacts may have already been priced in. The DOJ's investigation follows a short report from Hindenburg Research, which also raised concerns about accounting practices. Meanwhile, other semiconductor stocks gained, highlighting a contrast in market reactions.