Rally

A rally is a sharp, sustained rise in prices, often after a downturn or within a bear.

A quick example

Picture this

In a brutal bear market, the index suddenly jumps 8% in a week, and the news celebrates a “new bull market.” Investors who sold at the bottom buy back in, convinced the worst is over. The rally fails, the index falls to a new low, and the late buyers lose twice — once by selling low, once by buying a bear-market bounce. The scenario repeats in every major bear: powerful rallies that are traps. The only reliable confirmation is time and a break above the long-term trend, not a green week.

What it means for you

It is the rebound that restores confidence and portfolios.

How to apply it

Judge a rally by its context: is price above the long-term trend, is volume confirming, are the leaders broad? A rally on shrinking volume inside a downtrend is suspect; a broad, high-volume reversal after a long decline is more likely real.

Common mix-ups

Bear-market rallies can fail; not every rise is the start of a new bull.

Key takeaway

A rally is a strong upward move, and its meaning depends entirely on context: in a bull market it is fuel, in a bear market it is often a trap. Bear-market rallies can be fierce and convincing, luring sellers back in before the next leg down. Judge a rally by whether price is above the long-term trend, whether volume confirms, and whether participation is broad. A green week is not a new bull market; time and the trend line are the real confirmation.

Definitions reviewed by the Investing Glossary editorial team.