S&P 500 ETFs - Thursday, June 6 By: TalkMarkets June 06, 2019 at 04:54 AM EDT The S&P 500 index is arguably the most well-known worldwide. It is based on the market cap of the 500 largest companies in the U.S. Read More >> Related Stocks: S&P 500 ETF Vanguard S&P 500 Ishares Core ETF SPDR S&P 500 ETF Trust