The Zhitong Finance App learned that for diversified fund managers, there is nothing more difficult than managing portfolios that are highly dominated by seven technology companies — all of them are US companies, all with huge market capitalization, and all focus on the same sector of the economy. However, just as the S&P 500 index once again reached an all-time high this week, investors had to face a harsh reality: if they want to keep up with the pace of the market, this largely means being forced to take heavy positions in these stocks.

The Zhitong Finance App learned that for diversified fund managers, there is nothing more difficult than managing portfolios that are highly dominated by seven technology companies — all of them are US companies, all with huge market capitalization, and all focus on the same sector of the economy. However, just as the S&P 500 index once again reached an all-time high this week, investors had to face a harsh reality: if they want to keep up with the pace of the market, this largely means being forced to take heavy positions in these stocks.