Market concentration hits another record:
The top 10 US stocks now reflect 41.4% of the S&P 500’s market cap, an all-time high.
This marks a +6.2 percentage point increase since April 2025.
Since January 2024, this percentage has risen by +8.4 points.
As a result, the market cap of the top 10 stocks has surpassed $25 TRILLION for the first time.
Their value is now equal to 83% of the entire size of the US economy.
Big Tech is colossal.