MDY ▼ -0.9% - State Street SPDR S&P MIDCAP 400 ETF Trust $MDY below the 50 D sma 100 D sma areas at the 150 D sma area The State Street SPDR S&P MidCap 400 ETF fell 0.9% today, trading below its 50-day, 100-day, and 150-day moving averages—technical levels that often signal weakening momentum in the midcap segment. 10-SEP-2026 03:51 PM ET