AI overinvestment fears sparked a linked semiconductor plunge

The Nasdaq closed lower on the 23rd (local time) amid a sharp semiconductor sell-off driven by AI overinvestment fears

• Micron (MU) weakness prompted a reassessment of AI valuations, triggering a sectorwide semiconductor slide

• Linked to a CNBC report, the volatility index rose and the S&P 500, Nasdaq, and Dow fell together, deepening risk aversion

• The near-term earnings season — including Micron's results — and key macro releases will provide further direction

Korea ETF unwind ignites the chip selloff 📉

A South Korean leveraged-ETF crisis triggered a global chip selloff, amplified by hawkish-Fed and AI-overinvestment concerns

• The Korea leveraged-ETF unwind was the trigger for the global semiconductor selloff — MU -13.2%, MRVL -9.4%, TSM -6.7% fell in tandem

• A hawkish Fed outlook and concern over AI overinvestment concentrated the selling in high-multiple tech and chips

• Micron's June 24 (ET) results are the pivot for confirming real AI-memory demand

Dow reshuffle: Alphabet replaces Verizon

Alphabet's Dow inclusion raises the index's big-tech weight

• Meeting market-cap and liquidity criteria, it replaces Verizon — deepening the Dow's tech tilt

• Post-inclusion, index volatility grows more sensitive to big-tech and AI momentum