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 ...

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.

Reading stock charts can give you key insights into a company's perceived value. You can learn to recognize signals for when ...

The stock market is close to flashing a rare bullish signal. The indicator measures broad stock market participation in an ongoing rally. Historically, the signal predicts strong S&P 500 gains in the ...

With the market reaching new heights, it's unclear what 2026 will bring for investors. Some market indicators -- like the Buffett indicator -- are sending warning signs for the stock market. However, ...

Artificial intelligence has changed the way people trade stocks and cryptocurrencies. In 2026, an AI stock trading robot is ...