About 36% of S&P 500 constituents — 179 companies — will report quarterly results this week, FactSet says. Key names include Amazon, Alphabet and Microsoft, whose weightings have underpinned the index’s gains. Analysts still expect S&P 500 constituen

2026-10-26

About 36% of S&P 500 constituents — 179 companies — will report quarterly results this week, FactSet says. Key names include Amazon, Alphabet and Microsoft, whose weightings have underpinned the index’s gains. Analysts still expect S&P 500 constituents’ Q3 earnings to rise 29.5% YoY, according to FactSet, but investors face headwinds from questions about the durability of AI-driven flows, elevated gasoline prices and bond-market volatility; tolerance for misses has narrowed and even companies that beat Wall Street estimates may not be rewarded.