Tesla TSLA just left Nasdaq 100 Index NDAQ for the S&P 500. Consider, Apple AAPL , Microsoft MSFT , Amazon AMZN , Alphabet and Facebook account for nearly half the weighting in Nasdaq 100. ADVERTISEMENTPerformance determinants of the Dow, S&P 500 and Nasdaq 100 did change markedly over recent years. Past year, Nasdaq 100 rose 100%, but only 50% for the S&P 500. Sooner or later the Nasdaq 100 will wax overpriced and react more than the S&P 500 in a down market.

Source: Forbes December 22, 2020 21:56 UTC