The Nasdaq Composite closed at 12256.92 on Monday, marking an end to the bear market the tech-heavy index entered last October.
Securities enter a bear market when they fall 20% or more from a recent high. They exit a bear market and enter a bull market when they rise 20% or more from a recent low.
The index had been in a bear market for 143 trading days. That’s the longest since the bear market ending December 2008, which lasted 218 trading days, according to Dow Jones Market Data.