Super Micro Faces Internal Audit Woes as Shares Drop Nearly 5%

Super Micro Computer Inc. saw its shares decline nearly 5% on Friday after disclosing material weaknesses in its internal financial controls. The San Jose-based company, which had already delayed its annual financial report, acknowledged in a regulatory filing that its controls were ineffective as of June 30, 2025.

The firm's auditor, Ernst & Young LLP, resigned in October over governance concerns, compounding its challenges. Despite a 23% premarket surge in February when it finally filed overdue financials, Super Micro now risks losing over $1 billion in market value if the slide continues.

Artificial intelligence Optimism had propelled the stock 88% higher earlier in 2025, but a revised revenue forecast on August 5 erased 23% of those gains. Shares remain up 44% year-to-date, though investors now face uncertainty about the company's ability to remediate its control deficiencies.