US TECHNOLOGY STOCKS SLUMPED AS ALPHABET PLUNGED 12% ON DISAPPOINTING SALES, DRAGGING THE NASDAQ 100 DOWN 1.4%. CONCERNS OVER AI INVESTMENT RETURNS TRIGGERED A ROTATION INTO BROADER EQUITIES, WITH MORE THAN 400 S&P 500 STOCKS ADVANCING, WHILE TREASURIES RALLIED ON SAFE-HAVEN DEMAND.

Alphabet shares fell 12% after the company reported disappointing sales, pulling the Nasdaq 100 down 1.4% as US technology stocks broadly slumped. The headline attributes the selloff partly to investor concern over whether heavy AI spending will generate adequate returns, a reassessment that tends to compress valuations for mega-cap growth names whose earnings multiples depend on sustained capex-driven growth. The move triggered a rotation out of concentrated tech leadership into broader equities, with more than 400 S&P 500 stocks advancing as capital shifted toward sectors perceived as less exposed to AI payoff uncertainty. Alphabet and the Nasdaq 100 carry the greatest direct exposure given their index weighting and the company's high sensitivity to AI monetization expectations, while the S&P 500 is cushioned by breadth and the offsetting gains elsewhere. Traders will watch the next earnings commentary from peer hyperscalers and any updated guidance on AI capital expenditure for signs of whether the sales shortfall reflects company-specific execution or a sector-wide demand slowdown.

The Nasdaq-100 (NDX) is the US large-cap tech benchmark. NDX is more sensitive to rate decisions than SPX because of longer-duration cash flows, and heavily concentrated in Tech/Comms names — mega-cap earnings season dominates price action.

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