The largest five stocks by market capitalization are substantially outperforming the S&P 500 and the Dow Jones Industrial Average (DJIA) Year-To-Date (YTD) as of October 9, 2020. The total market capitalization of these five technology stocks equals $7.1 trillion, about 24% of the total capitalization of the S&P 500 ($29 trillion).

(1) Apple ($2.00 trillion) —       +59.33% YTD

(2) Amazon ($1.64 trillion) —   +77.9%

(3) Microsoft ($1.63 trillion) — +36.9%

(4) Alphabet ($1.03 trillion) —   +12.8%

(5) Facebook ($754 billion) —    +28.9%

Also,

Berkshire Hathaway ($515 billion)  —  -4.8%

Tesla ($404 billion)   —               +419%

Netflix ($238 billion) —               +66.7%

Zoom ($140 billion) —                  +624%

S&P 500 —   +7.6%

DJIA     —        +0.2%

Nasdaq  —  +29.1%