📈 U.S. Stock Market Concentration Rebound Amid Trade Tension Relief

The top 10 U.S. stocks—Apple, Microsoft, Nvidia, Amazon, Alphabet, Meta, Tesla, Broadcom, Berkshire Hathaway, and Eli Lilly—saw their combined S&P 500 market cap share rise from 33.0% in 2023 to 39.1% in 2024. Following a decline to 35.2% in April 21, 2025, the share recovers to 38.2% driven by easing trade tensions as well as geopolitical de-escalation.