Investors Eye Micron Earnings on Supply Deals After KOSPI’s Fifth-Largest Selloff
MU•South Korea's KOSPI suffered its fifth-largest selloff ever, with retail buying losing momentum after regulator curbs on leveraged ETFs. Investors await Micron's after-close earnings, focusing on long-term supply deals and upfront customer payments as 80% of fund managers label semiconductors the most crowded trade.
1. KOSPI Selloff and Market Sentiment
South Korea's KOSPI index plunged by its fifth-largest historical amount, driven by regulator restrictions on popular leveraged ETFs and signs of waning retail investor participation that had previously fueled record highs.
2. Fund Manager Positioning
A recent survey of fund managers finds 80% consider long semiconductor exposure the most crowded trade, while over half believe the sector remains in the “boom” phase of artificial intelligence–driven growth.
3. Micron Earnings Preview
Micron will report earnings after the U.S. close, with investors closely watching for long-term supply commitments and upfront customer payments to gauge future revenue visibility and market sentiment.



