Concentration of Top 5 Market Cap Stocks in S&P 500 (Update Jan. 2021)
The five largest stocks in the US (AAPL, MSFT, AMZN, GOOGL, FB) dominated S&P 500 performance in 2020, returning 56.0% over the course of the year on a capweighted basis, while all other US stocks returned 15.0% in aggregate. We can further examine implied expectations with VE models to the right. Since the end of 2020, TSLA has passed FB to claim the fifth largest market cap; we have also included insight into TSLA’s valuation characteristics following their recent inclusion and large allocation in the S&P 500. […more]