January has historically been a strong month for the U.S. stock market, and that has remained true in 2025. The S&P 500 ...

The NASDAQ-100 is widely followed as a measure mainly of the big tech and social media stocks that make up the index.

The table below lists the S&P 500's top sectors by weighting as of Jan. 27, 2025. The information technology, financials, health care, and consumer discretionary sectors carry a cumulative weight of ...

The composition of the S&P 500 changes over time as companies rise and fall in value. Today, technology-focused companies dominate the index. Many of these companies have low yields or don't pay ...

The S&P 500 fell 0.8% on Monday, Feb. 3, as investors reacted to tariffs on major U.S. trading partners while awaiting key earnings and labor market data.

But they also pointed out that companies dominating the current market have lower ... The equal-weighted S&P 500 is more of a value index, based on its much lower P/E than that of the cap-weighted ...

The strategy fully replicates the S&P 500 ... index committee selects stocks, it weights them by market cap. Market-cap weighting harnesses the market’s collective wisdom on a stock’s relative ...

In other words, analysts expect stronger financial results from companies in communications services and healthcare than in the broader S&P 500. Consequently, I think both Vanguard index funds ...

However, the huge valuations on S&P 500 shares are making investors reassess whether current stock prices accurately reflect the risks and challenges ahead. The forward-looking price-to-earnings ...

After an extended bull run, the S&P 500 as a whole is expensively priced ... a closer look at what makes the large-cap U.S. benchmark index appear to be so expensive. And if you are worried ...