US Tech Stocks Slump as OpenAI Revenue Misses Estimates by $20 Billion

Key Facts

1OpenAI's annualized revenue reached approximately $50 billion at the end of September, missing market estimates of $70 billion.

2The revenue gap stems from accounting differences in how cloud partner sales are booked compared to competitors like Anthropic.

OpenAI's annualized revenue reached approximately $50 billion at the end of September, missing market estimates of $70 billion by a margin of $20 billion. According to reports from investinglive.com, this discrepancy triggered heavy selling in the Nasdaq index as investors questioned the sustainability of massive AI spending. CNBC reported that the revenue gap stems from accounting differences in how cloud partner sales are booked compared to competitors such as Anthropic.

The sell-off impacted major tech and energy names, with NDAQ closing at $91.93 and GOOGL closing at $350.5 on October 7, 2026. Semiconductor and software firms also faced pressure, as AVGO closed at $376.51 and ORCL finished at $143.56 on October 7, 2026. Meanwhile, AAPL was trading at $340.185 on October 8, 2026, and MSFT closed at $529.76 on October 7, 2026.