The SPDR S&P 500 ETF Trust (NYSEARCA:SPY) is an exchange-traded fund (ETF) that seeks to track the performance of the S&P 500 Index. The S&P 500 Index is a broad-based index of 500 U.S. stocks and is the most popular benchmark for U.S. stock market performance. The SPDR S&P 500 ETF was launched on January […]