AI Bubble Fears Slam Global Markets Today, 18 November 2025
Global markets are ending Tuesday deep in the red as investors suddenly question whether the artificial intelligence boom has morphed into a full‑blown AI bubble. From New York to London and Tokyo, the same theme is driving prices lower: AI spending, AI valuations and AI expectations may finally have run too far, too fast. ABC News+2TechStock²+2 A Fourth Straight Day of Losses as AI Trade Unravels On Wall Street, the sell‑off accelerated into the close. The Dow Jones Industrial Average dropped about 498 points (roughly 1%), the S&P 500 fell around 0.8%, and the tech‑heavy Nasdaq slid about 1.2%, marking