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{"created_at":"2026-04-08T11:34:02.408 {"created_at":"2026-04-08T11:34:02.408899+00:00","signal_type":"discovery_unusual_volume_delta","source":"discovery_ingestor","url":"https://www.nasdaq.com/articles/ai-gold-rush-over-costco-and-walmart-just-delivered-sobering-163-billion-warning","value":{"fp":"f7451b52c53e6b23","kind":"unusual_volume","published_at":"2026-04-08T10:40:00+00:00","source":"Nasdaq Markets","summary":"Key PointsShares of Nvidia and Palantir soared in the quadruple digits over three years, but they\u2019ve lost momentum in recent weeks.","tickers":[],"title":"Is the AI Gold Rush Over? Costco and Walmart Just Delivered a Sobering $163 Billion Warning to Shareholders of Nvidia, Palantir, and Other Red-Hot AI Stocks.","url":"https://www.nasdaq.com/articles/ai-gold-rush-over-costco-and-walmart-just-delivered-sobering-163-billion-warning"}}... |