Yes, Friday saw the S&P 500 fall 2.6%, which is the worst day of the year so far. Good time to remember that even the best years have bad a day or two (or more). 22 times the S&P 500 gained more than 20% for the year and the average worst day was 3.5%. In fact, there was a day in 1997 till gained more than 30% for the year.
The Standard & Poor’s 500 Index (S&P500) is a capitalization-weighted index of 500 stocks designed to measure performance of the broad domestic economy through changes in the aggregate market value of 500 stocks representing all major industries