All 20 Top S&P 500 Stocks in H1 2026 Were Tech — and All Doubled

Every one of the S&P 500's top 20 first-half 2026 performers more than doubled, and all were tech stocks, per MarketWatch. Seventeen fell under information technology specifically. If you hold a cap-weighted S&P 500 fund — where bigger companies move the index more — your returns are leaning heavily on one sector's run.