From Yahoo Finance:

The S&P 500 and Nasdaq Composite are seeing bull markets, but investors must stay alert. Recent gains have some unusual trends that could impact performance in the near future. Most indexes are weighted by market capitalization leading to a significant concentration in the market. Equal-weighted ETFs have underperformed market-weighted indexes over the past year. A group of tech giants, known as the “Magnificent Seven,” have seen surging prices, but their valuations have also inflated. Investors should ensure portfolio balance and consider long-term implications of recent performance to avoid losses in the future. It’s vital to monitor and rebalance investments periodically.



Read more at Yahoo Finance: 1 Hidden Trend Has Dominated the Stock Market but Can’t Last Forever. Here’s How You Can Keep Your Portfolio Safe.