Markets Recoil in Global Sell-Off Driven by Tech Stocks

Global stock markets shuddered on Tuesday, dragged down by tech companies, as investors suggested that enthusiasm for artificial intelligence companies may be approaching its limits.

The firms at the forefront of A.I. and chip-making have an outsize impact on market benchmarks, after a long — if sometimes volatile — rally pushed indexes to record highs. A sell-off in these shares that started in the United States on Monday reverberated around the world, shifting investors’ focus away from the war in Iran, oil prices, interest rates and…