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S&P 500 Market Concentration Deepens Amid Big Tech and AI Momentum
TLDR: Five mega-cap tech stocks accounted for nearly half of the S&P 500’s gains since April 1, 2026. The equal-weighted S&P 500 r...
TLDR: Five mega-cap tech stocks accounted for nearly half of the S&P 500’s gains since April 1, 2026. The equal-weighted S&P 500 r...