Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Vikki Velasquez is a researcher and writer ...

Your goal as an investor is to make money, hopefully by buying quality stocks and holding them for many years. And while you don’t necessarily want to try timing the market, it’s important to know ...

Warren Buffett has said this ratio is the single best measure of stock market valuations. Valuations have climbed to new highs, but there are several reasons stocks are more expensive today. Investors ...

The S&P 500 (SNPINDEX: ^GSPC) declined 8% during President Trump's first 100 days in office, the index's worst performance under any administration in more than 50 years. In particular, investors are ...

A market valuation metric popularized by Warren Buffett is at an all-time high of roughly 208%. Buffett has said that anytime this indicator approaches 200%, investors are "playing with fire." History ...

One closely-watched stock-market indicator is flashing a bright-red buy signal as more companies’ shares join the rally. A sharp increase in a measure known as the McClellan Summation Index is sending ...

Despite experiencing some turbulence earlier this year, the stock market has been on fire throughout 2025. The S&P 500 (SNPINDEX: ^GSPC) is up by close to 15% year to date as of this writing on Oct.

A number of quirky indicators have popped up during the year. Some investors believe January’s performance will dictate the market’s performance for the rest of the year. Others believe the outcome of ...

Throughout the vast sweep of stock market history, a wide variety of “predictive” indicators have emerged to guide investors into the murky, unknowable future. These indicators derive their calls to ...