The largest 6 stocks by market capitalization are substantially outperforming the S&P 500 and the Dow Jones Industrial Average (DJIA) Year-To-Date (YTD) as of December 24, 2020. The total market capitalization of these 6 technology stocks plus Berkshire Hathaway equals $8.6 trillion, about 27% of the total capitalization of the S&P 500 ($32 trillion). (Note: Tesla joined the S&P 500 on December 21.)

(1) Apple (AAPL) ($2.26 trillion) —    +79.8% YTD

(2) Microsoft (MSFT) ($1.68 trillion) —   +41.3%

(3) Amazon (AMZN) ($1.58 trillion) —     +71.7%

(4) Alphabet (GOOGL) ($1.18 trillion) —      +29.5%

(5) Facebook (FB) (763 billion) —         +30.3%

(6) Tesla (TSLA) ($617 billion) —                +691%

(7) Berkshire Hathaway (BRK-A, BRK-B) ($532 billion)  — +0.2%

S&P 500 —  +14.6%

DJIA     —     +5.8%

Nasdaq  —   +42.7%