Wall Street tumbles as Big Tech AI spending rattles investors

Wall Street ended sharply lower on Thursday, with the Nasdaqdragged to its lowest since November by losses ​in Microsoft, Amazon and other tech heavyweights afterAlphabet said it could double capital ‌spending on AIin the race to dominate the emerging technology.Shares of Alphabet fell 0.55% ​after the Google parent said itplans as much as $185 billion in capex in 2026. Together, it andits Big Tech rivals are expected to collectively shell out morethan $500 billion on AI this year.Adding to recent losses, M ...