Rising single-stock volatility may soon affect S&P 500
Despite the S&P 500 remaining close to its June record high, underlying stock dynamics suggest growing instability. Over 160 components are trading below their 50-day moving averages—a technical indicator of short-term weakness—and nearly half have seen a drop in relative strength index (RSI) over the past month. More than 43 stocks fell by at least 10% in July, signaling heightened single-stock volatility. Analysts warn that this divergence between calm index-level performance and turbulent individual stock movements could soon spill into broader market instability as earnings season continues. Four major tech companies—Microsoft, Apple, Amazon, and Meta—are set to report results this week after most S&P 500 firms have exceeded expectations so far. However, recent misses by Tesla and Alphabet highlight the risks of volatility spilling over.
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Topics: earnings season S&P 500 stock market dynamics volatility divergence