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{"created_at":"2026-04-16T10:15:40.769 {"created_at":"2026-04-16T10:15:40.769768+00:00","signal_type":"discovery_unusual_volume_delta","source":"discovery_ingestor","url":"https://www.nasdaq.com/articles/will-increased-membership-fees-walmarts-sams-club-actually-boost-costcos-stock-instead","value":{"fp":"17fcbb7b62eee975","kind":"unusual_volume","published_at":"2026-04-16T09:25:00+00:00","source":"Nasdaq Markets","summary":"Key PointsCostco raised its membership fee two years ago, and Sam's Club is following suit.","tickers":[],"title":"Will Increased Membership Fees at Walmart's Sam's Club Actually Boost Costco's Stock Instead?","url":"https://www.nasdaq.com/articles/will-increased-membership-fees-walmarts-sams-club-actually-boost-costcos-stock-instead"}}... |