Bull Market Turns 3, More Stocks Have to Join to Keep It Going

The bull market in US stocks is having its third anniversary on Sunday, but if history is any guide it needs to broaden out soon to keep running.

The S&P 500 Index began its current bull run on Oct. 12, 2022, soaring 83% in that time and adding about $28 trillion in market value. While the gain was 88% before Friday’s selloff on President Donald Trump’s threat of a “massive increase” in tariffs on goods from China, the benchmark’s 13% jump over the past 12 months is still twice the average rise in the third year of ...