Barclays: US stocks sell off despite historic earnings beats

Barclays says the second quarter 2026 earnings season has featured unusually strong fundamentals, with 85% of companies beating estimates and a 30.7% average upside surprise versus long-term norms of 76% and 5.2%. Despite that, US equities sold off after both beats and misses, reflecting elevated expectations, crowded positioning, and investor scrutiny of AI-related capital spending. Barclays argues the market is now punishing anything short of a clean beat-and-raise, while even positive results can trigger negative price reactions. Options pricing also implied bigger earnings moves than were ultimately realized, especially in utilities and technology, signaling stretched expectations. The main exception was the Magnificent Seven excluding Nvidia, which posted outsized realized moves, showing Big Tech is still driving much of the earnings reaction. Overall, the article points to a disconnect between strong corporate earnings and weaker stock performance, which is bearish for broad US equities and suggests volatility may remain elevated around results.