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Wall Street closed sharply lower on October 30, 2026, amid a technology-sector selloff tied to fears over AI cash burn. Concerns about AI spending weighed on technology shares, and the decline in that sector contributed to the broader market's sharply lower close. The available information identifies AI-related cash burn, rather than a specific spending figure or company forecast, as the stated source of investor concern. Amazon and Intel were named in connection with deepening worries over AI spending following their results. No financial results, stock-price moves, index levels, spending totals, cash-burn estimates, or company guidance are provided. The available information does not specify which Wall Street indexes declined, how much they fell, or whether the concerns were tied to particular AI products, data centers, chips, or infrastructure investments.