S&P 500 Breadth Shrinks as Leadership Concentrates in a Few Stocks

TL;DR
A breadth study shows only about 60% of S&P 500 components are trading above their 200-day moving average, signaling a narrowing market leadership and greater fragility as a small group of mega-cap stocks drive gains while the broader index remains vulnerable if leadership wanes.
- Market concentration is creating 'fragility': Only 60% of S&P 500 stocks are above their 200-day average Yahoo Finance
- It’s not just tech stocks: The broad-based strength of the market right now gives investors reason to stay the course MarketWatch
- Earnings And Semiconductors Power Markets Seeking Alpha
- MarketBeat Week in Review – 05/25 - 05/29 Yahoo Finance
Want the full story? Read the original reporting
Read on Yahoo Finance