Chipmakers "continued to lag in premarket trading after Tuesday's rout," with Asian semis cratering — KOSPI fell ~6% and SK Hynix/Samsung slid hard (Benzinga/Bloomberg, Aug 19). QQQ is the most semiconductor- and rate-sensitive of the major ETFs, and with bond yields at multidecade highs the Nasdaq 100 is likely to underperform the broad market and close lower.