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Stock Market News — August 20, 2026 — Morning Update — Last 12 Hours (Pacific Time)
Walmart's rare sales miss sent shares plummeting 9% amid consumer spending concerns, while Samsung and SK Hynix announced record shareholder returns totaling $100B+, reshaping the semiconductor landscape. Bitcoin's 11% surge above $71,000 lifted crypto proxies, though rising Treasury yields to 4.688
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