The five biggest tech companies now make up 17.5% of the S&P 500 — here's how to protect yourself
The five biggest tech companies now make up 17.5% of the S&P 500 — here's how to protect yourself
Jan 28, 2020, 1:39pm UTC
https://www.cnbc.com/2020/01/28/sp-500-dominated-by-apple-microsoft-alphabet-amazon-facebook.html