
Top 10 US tech stocks now nearly 40% of S&P 500, highest since 1990s dotcom bubble, UBS urges portfolio rebalancing.
The top ten US technology stocks now represent nearly 40% of the S&P 500's market capitalization, the highest concentration since the late 1990s dotcom bubble. This surge is driven by giants like Microsoft, Apple, NVIDIA, Amazon, Alphabet, and Meta, ...

