Nvidia and Micron Have Driven the S&P 500’s 2026 Rally to Record Highs. History Says It’s Not Over
Quick Read The S&P 500's 25 all-time highs in 2026 mark its seventh-best start in 33 years, fueled by 29% year-over-year earnings growth. Micron's 208% YTD return generated nearly as much S&P 500 index impact as Nvidia despite holding just a fraction of Nvidia's …