The S&P 500 fell 0.48% to close at 7,636.36 on September 9 2026, with the Nasdaq Composite down 0.64% at 26,253.34 and the Dow down 405.41 points or 0.77% at 52,380.66. Stocks fell as rising Treasury yields, an oil price above $100 and an escalating US-Canada trade dispute pressured risk assets. Index level via WebSearch because Massive index aggregates remain plan-restricted on the current entitlement.