The Ten Titans already make up 38% of the S&P 500, but their share could grow if companies keep delivering on investor expectations.

In early August 2018, Apple ( AAPL 1.21% ) became the first U.S. company to surpass $1 trillion in market cap.

Fast forward seven years, and there are nine S&P 500 ( ^GSPC 1.52% ) components with market caps over $1 trillion: the "Magnificent Seven" consisting of Nvidia ( NVDA 1.65% ) , Microsoft ( MSFT 0.56% ) , Apple, Amazon ( AMZN 3.12% ) , Alphabet ( GOOG 2.98% ) ( GOOGL 3.10% ) , Meta Platforms ( META 2.04% ) , and Tesla ( TSLA 6.18% ) , plus Broadcom ( AVGO 1.52% ) and Berkshire Hathaway ( BRK.A -0.13% ) ( BRK.B 0.08% ) .

The "Ten Titans" include the ten

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