10 Things You Must Know About Bull Markets

There's a saying on Wall Street: Don't confuse brains with a bull market.

After all, when most stocks are gaining day after day, it's easy to look smart. Indeed, the market has been in bull mode for so much of the last decade-plus, it's hard to remember what challenging investing looks like.

The S&P 500's longest bull market in history began in March 2009 and ended abruptly in March 2020, clobbered by coronavirus fears. The bear market that followed cut fast and deep, but bottomed out in late March. About a month after its nadir, the market returned to bull-market territory and - so far at least - looks poised to keep chugging along.

Indeed, from March 23 to June 19,