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Shares of Nvidia, Micron, Oracle, CoreWeave and other AI-related names fell after reports surfaced that OpenAI's annualized revenue run-rate came in around $50 billion at the end of September, which some investors read as below expectations. CNBC confirmed the figure, and the news triggered what analysts described as 'undue concern' across AI infrastructure and chip stocks. Several analysts pushed back on the selloff, arguing the figure reflects differences in how revenue is reported rather than actual weakness in AI demand, but the episode highlighted investor sensitivity to any signs of a slowdown in AI spending.