Multiple credible and authoritative market news sources, including Nasdaq, CNBC, Bloomberg, Yahoo Finance, and Charles Schwab, consistently report that on the given trading day, major US stock indexes such as the Dow, S&P 500, and Nasdaq experienced declines. These declines were closely linked to weakness in major technology company share prices. The sources further establish that investor concerns about artificial intelligence—specifically fears of AI disruption and competition—were a central factor driving the tech sector selloff and broader market downturn. The coverage is consistent across outlets in terms of the index performance, the focus on tech weakness, and the attribution to AI-related fears, with quantitative closing figures cited by some reports. There are no notable contradictions among the sources, and the level of detail and consistency of attribution provides strong corroboration. This makes the statement highly likely to be true.