S&P 5002026-06-19 15:34:54Semiconductor Share of S&P 500 Market Value Rises to Record 18.8%The Kobeissi Letter said on X that semiconductors now account for about 18.8% of the S&P 500’s total market capitalization, a record high. The share has more than tripled since 2022, while the SOX semiconductor index has climbed about 546% over the same period.410