SPY ▼ -0.6% - State Street SPDR S&P 500 ETF Trust $SPY QQQ trading back below 50 D sma area The S&P 500 ETF fell 0.6% today as it traded back below its 50-day simple moving average, a technical level that often signals shifting momentum in the broader market. Traders frequently view breaks below this key average as a sign of weakening near-term strength. 10-SEP-2026 12:13 PM ET