Sandisk led the S&P 500 higher last year as the artificial intelligence boom drove strong demand for data storage solutions.

As we enter 2026, the S&P 500 stands at a historically high valuation. Models suggest that smaller and international stocks ...

In November 1999, the Shiller P/E ratio reached 44.19, and during the dot-com bubble crash, the S&P 500 declined by nearly half. In October 2021, the Shiller P/E ratio reached 38.58, and over the next ...

The S&P 500 has delivered what can only be described as a strong year to date, extending a rally that has rewarded investors ...

The S&P 500 has only reached this high a valuation three times in its history. "Magnificent Seven" stocks account for over a third of the S&P 500. An equal-weight S&P 500 ETF can reduce this ...

Just four of the S&P 500’s 11 sectors had above-average mentions of artificial intelligence on their second-quarter earnings calls this year, a sign of the upside potential of AI as it should ...

The market capitalization of the S&P 500 rose almost 6.3% during the second quarter of 2025. While the membership list of the Top 10 stocks within the S&P 500 didn't change from the end of the ...

The S&P 500's elevated P/E ratio is less alarming when considering strong EPS growth and a modest PEG ratio of 1.22x. The equity risk premium currently favors S&P 500 index funds, offering a 2.4%-2.5% ...

The S&P 500 on Monday is trading above its 200-day moving average after hovering below the key technical level for over 30 sessions — its longest such stretch since April 2022, according to Dow Jones ...

The S&P 500 has fallen more during the first four months of the year in 2025 than it has only seven previous times in 50 years. In seven of those eight cases, the index ended the year down even more ...

Andrew Kessel was a breaking news writer for Investopedia until October 2025. He previously covered markets for Proactive Investors, with a focus on small-cap stocks in fintech, healthcare, mining, ...