The magnitude: Samsung Electronics fell as much as 12-13.4%, SK Hynix plunged 11-14%, Kioxia slumped 18.3%, TSMC slid 3%, and ASML ADRs dropped 8.5% . South Korea's KOSPI crashed as much as 7.6-10.8%, triggering a circuit breaker
. The MSCI Emerging Markets Index was pushed to its lowest since April
, while the MSCI World Semiconductor Index posted its worst monthly performance since 2022.
The recovery was partial and fragile — not a reversal of sentiment, but a pause driven by bargain-hunting and event-risk positioning ahead of the Fed and tech earnings .