After analyzing 1,926 S&P 500 additions going back to 1957, Yahoo Finance found that stocks tend to outperform before joining the index, then fall behind the market after they get in.

The S&P 500 is a popular market index. View its historical performance throughout the years and learn more about the factors that affect its average return.

The group has erased roughly $1.8 trillion in market value this month, while the rest of the S&P 500 is still holding up.

The S&P 500's big rally since March and sudden 3.9% drop in June has the stock market closer to a key support level. The S&P ...

From market cap to ETF weightings, these visuals show how much the Magnificent 7 shape today’s market. Vikki Velasquez is a researcher and writer who has managed, coordinated, and directed various ...

I conduct a comprehensive technical scan of all S&P 500 stocks to gauge macro market trends and sector rotation. Current ETF analysis highlights DIA, QQQ, and SPY, with special attention to the ...

The S&P 500 is looking increasingly skittish as it nears 7000, a sign that it could fit a pattern seen across financial markets of prices tending to stall or reverse near major round numbers. Exactly ...

May 7 (Reuters) - The U.S. stock market rally has gone into overdrive, fueled by AI optimism and euphoria over Iran-war peace hopes, which has brought the S&P 500 to the verge of an important set of ...

Market analysts are cautioning that the S&P 500’s record-setting rally is showing signs of narrowing breadth and potential exhaustion. Semiconductor leaders like Nvidia, TSMC, and Broadcom are ...

The investment seeks to provide investment results that, before expenses, correspond generally to the price and yield ...

The S&P 500 and Dow Jones remain bullish, but Fed uncertainty, sticky inflation, tariff risks, and AI spending pressures may ...