Visit the full analysis for the latest explanation of SPDR S&P 500 ETF Trust's stock movement.
SPY is the SPDR S&P 500 ETF Trust, the largest and most liquid exchange-traded fund tracking the S&P 500 index of 500 leading U.S. companies. It serves as the primary benchmark for U.S. equity market performance and is widely held by both institutional and retail investors. The index has been stuck below the 7,000 level since first testing it in late October, reflecting a market struggling to find a new catalyst for further gains.