Why Is Micron Technology (MU) Stock Price Down 5.90% Today, July 31? Rates and AI Positioning Pressure Memory Shares

Micron fell ~5.9% amid a sharp intraday reversal, with reports pointing to higher rates pressuring long-duration growth valuations and an unwind of crowded AI-memory/semiconductor positioning rather than company-specific negative news. The move highlights macro sensitivity for AI-linked chip suppliers and raises near-term fragility as the stock dropped below key trend measures, keeping flows and rate moves the primary drivers for short-term risk appetite in the segment.