From CNBC: 2024-07-01 09:49:55

Jensen Huang reveals new Blackwell GPU chip at Nvidia GPU Technology Conference. Stock market increasingly dominated by top companies, raising concerns. Top 10 S&P 500 stocks held 27% of index in 2023, up from 14% a decade ago. Magnificent 7 stocks account for 31% of index. Concentration raises risk for investors, some experts caution. Largest U.S. companies could heavily impact portfolios. Despite risk, some experts believe concern is overblown. Stock concentration is comparable to historical trends globally. Big U.S. companies show profits that support valuations. Diversification key to managing risk, target-date funds can be a solution. Portfolio diversification critical to managing risk amid growing stock concentration. Stick with a well-diversified equity portfolio to manage potential risks. Target-date funds are a simple solution for managing stock concentration risk. Stick with a diversified portfolio for long-term financial growth.

Read more: How Magnificent 7 affects S&P 500 stock market concentration