StocksMedium•13 October 2026•
1 min read
Semiconductor Stocks Slide as KOSPI Plunge Triggers Global Chip Sell-Off
Key Facts
1Semiconductor stocks led by Micron and Applied Materials sold off following a 5% plunge in South Korea's KOSPI index.
2Johnson & Johnson shares fell 6% despite the company raising its forward guidance.
Semiconductor stocks led by Micron and Applied Materials sold off following a 5% plunge in South Korea's KOSPI index. Benzinga reported that Johnson & Johnson shares fell 6% despite the company raising its forward guidance, suggesting a sell-the-news reaction to the update.
MU closed at $989.04 on October 12, 2026, while AMAT shares finished at $497.53 on the same date. Johnson & Johnson's JNJ closed at $263.73 on October 12, 2026, as the market reacted to broader stress across both the semiconductor and defensive sectors.