Almost all of the Nasdaq-100's gains in the first half of 2026 came from just 10 stocks
By Emily BaryMicron led the way, contributing 26% of the Nasdaq-100's first-half returns and 17% of the S&P 500's gains, according to JefferiesMicron's stock price quadrupled in the first half of the year and had a major impact on overall index returns.A few major technology stocks were responsible…