Amazon, Alphabet, Meta Platforms and Microsoft alone represent more than 10% of the S&P 500's total market cap, FactSet data shows.

Alphabet, Amazon, Meta, Microsoft and Apple all report this weak. Combined, they make up 24% of the S&P 500.

Amazon, Alphabet, Meta Platforms and Microsoft alone represent more than 10% of the S&P 500's total market cap, FactSet data shows.