- MU expected to contribute +5.2 percentage points to S&P 500 Q3 2026 YoY earnings growth of +27%.
Micron and Nvidia are expected to account for 36% of S&P 500 earnings growth in Q3 2026. MU contributes 5.2 percentage points and NVDA 4.6 points to the index's estimated 27% YoY growth. The next eight top contributors add 8.2 points combined. Excluding the top 10, the remaining 490 stocks would show an 11% YoY earnings decline. The post describes the concentration as unprecedented.
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