To be considered for admission to the S&P 500, a company must meet the following criteria:

Wall Street’s relentless rally this summer has driven stock valuations close to record levels, prompting warnings that “euphoric” markets are entering bubble territory.

Live Updates Live Coverage Updates appear automatically as they are published. Friday Wrap-up 4:09 pm The Vanguard S&P 500 ETF closed Friday at 585.55, up 0.4% for the day and 1.5% for the week. Bullish on Southwest -- Or Was That Bearish?

Just because you missed out on the huge rally in the S&P 500 since April 8 doesn't mean it's necessarily a bad time to put money to work.

The S&P 500 and the Nasdaq notched record highs this week, with investors appearing to brush off any uncertainty stemming from tariff talk and the conflict in the Middle East.

Six months into President Donald Trump’s second term, a quick glance at the stock market offers a reassuring picture: The S&P 500 just closed above 6,300 points for the first time ever and has notched eight record highs in the past month.

It's sort of like a rock sitting on the edge of a cliff. If you can put enough sort of oomph into it, you can get it over the cliff, then gravity does the rest. The metaphor kind of breaks down because the stock's moving up, so the gravity seems to be pointing the other direction.