The iShares Core S&P 500 ETF is an exchange-traded fund (ETF) that aims to track the performance of the S&P 500 Index. This index includes 500 of the largest publicly traded companies in the United States, representing a broad cross-section of the U.S. economy. By investing in this ETF, individuals can gain exposure to a diverse range of sectors, including technology, healthcare, and consumer goods. Investors often choose the iShares Core S&P 500 ETF for its low expense ratio and potential for long-term growth. It is designed for those looking to invest in a simple, cost-effective way while benefiting from the overall performance of the U.S. stock market.