S&P 500, short for The Standard and Poor's 500 is one of the US stock market index widely used to track the performance economy in US. S&P 500 index had a great year in 2021 with about 26% gain in return. First time in a while S&P 500 index also beat Dow Jones Industrial … [Read more...] about 15 Best and Worst Stock Returns of S&P 500 in 2021