Micron Shares Fall 2% in Premarket as Memory Sector Sell-off Continues

Key Facts

1Micron shares fell 2% in Wednesday premarket trading following a 4.5% decline on Tuesday.

2The Philadelphia Semiconductor Index marked its fifth straight retreat as investors take profits from AI-linked stocks.

Micron shares fell 2% in Wednesday premarket trading on October 14, 2026, following a 4.5% decline on Tuesday. Invezz reported that the Philadelphia Semiconductor Index marked its fifth straight retreat as investors continue to take profits from AI-linked stocks.

MU closed at $953.19 on October 13, 2026, after trading between a low of $929.03 and a high of $953.6 during that session. The sell-off is driven by concerns that the extraordinary memory shortages and high margins seen throughout 2026 may not be sustainable as new supply enters the market.