Market Concentration Raises Concerns: Only 60% of S&P 500 Stocks Above Their 200-Day Average

The current market rally is being driven by a narrow group of stocks, particularly semiconductor companies like Micron (MU), raising concerns about fragility. Despite strong earnings and record highs for major indices, only around 60% of S&P 500 stocks are trading above their 200-day moving average.

By Ines Ferré · Senior Business Reporter Updated Sun, May 31, 2026 at 6:16 PM GMT+3 3 min read · Yahoo Finance ·

Market Concentration Raises Concerns: Only 60% of S&P 500 Stocks Above Their 200-Day Average

Tickers: $LLY $MU $WMT

Topics: 200-day moving average market leadership S&P 500 semiconductors

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