Wall Street's Earnings Wins Hide a Troubling Signal for Investors Moz Farooque ACCA Mon, November 9, 2026 at 8:24 AM EST 2 min read ^GSPC +0.31% FDS +0.13% Trade FDS on Coinbase Trading disclosure Trading disclosure The above button links to Coinbase. Yahoo Finance is not a broker-dealer or investment adviser and does not offer securities or cryptocurrencies for sale or facilitate trading. Coinbase pays us for certain activity generated through this link. Prices displayed are informational.
Corporate America is delivering another strong earnings season, but a troubling pattern is emerging beneath the surface. While most S&P 500 companies are beating Wall Street's profit forecasts, the margin by which they're exceeding expectations has shrunk to its lowest level in nearly four years, raising questions about whether earnings momentum can continue supporting stocks.
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According to FactSet's November 6 Earnings Insight report, 84% of S&P 500 companies reporting third-quarter results have surpassed analysts' earnings-per-share estimates.
That's comfortably above the five-year average of 78%.
However, the size of those earnings surprises tells a different story.
Companies are beating profit estimates by just 2.7% in aggregate, compared with the five-year average of 7.5% and the 10-year average of 8%.
If that figure holds through the end of earnings season, it would mark the smallest positive earnings surprise since the fourth quarter of 2022.
The distinction matters because companies can beat Wall Street's forecasts without delivering the level of outperformance investors have grown accustomed to.
Yet the broader earnings picture remains encouraging.
With 88% of S&P 500 companies having reported, third-quarter earnings are tracking 31.4% higher year over year, marking a potential third consecutive quarter of growth exceeding 25%.
Revenue is also expanding, with aggregate sales growth reaching 14.3%.
That creates an unusual situation: corporate profits are growing rapidly, but companies are delivering smaller surprises against expectations.
The next test comes as Wall Street looks toward fourth-quarter earnings, where analysts anticipate 28.4% year-over-year profit growth.
Investors should monitor whether companies can sustain that pace, particularly as rising AI infrastructure spending and financing requirements complicate the outlook for technology businesses.
Valuations offer some perspective. The S&P 500 trades at 17.7 times forward earnings, below its five-year average of 19.8 times.
However, smaller earnings surprises could make investors more sensitive to disappointing guidance.
The critical question is whether strong profit growth can continue translating into earnings upgrades, rather than simply meeting increasingly ambitious Wall Street forecasts.
