AI Bubble Fears Drag Down Chip Stocks Despite Record Profits

Fears of an artificial intelligence investment bubble are rattling global chip stocks, even as semiconductor manufacturers post record profits and report surging demand for their products. Nvidia, the world's leading producer of advanced AI chips, briefly lost its title as the world's most valuable company as investor confidence wavered. The anxiety has been fueled in part by the emergence of Chinese AI models capable of delivering performance comparable to leading American systems at a fraction of the cost — a development that threatens to undermine the business model of U.S. chip giants. If Chinese competitors can replicate high-end AI capabilities cheaply, demand for the expensive semiconductors that companies like Nvidia produce could weaken, casting doubt on the astronomical valuations the sector has accumulated during the AI boom. The turbulence reflects a broader investor debate over whether the massive capital pouring into AI infrastructure is sustainable or whether it represents an overinflated bubble heading for a correction.