The past few years have been good for the stock market, but good times don’t last forever. America hasn’t had a big bear market since 2022. Some investors worry that the stock market is flashing warning signs. The S&P 500 (^GSPC -0.37%) Shiller CAPE ratio is nearing levels it hasn’t reached since the dot-com bubble.

But even if a stock market correction is overdue, that doesn’t mean most people should make big corrections to how they invest. If you’re truly a long-term investor who can leave your money alone to grow for five to 10 years or more, one simple strategy is likely the best bet.

That strategy is: Keep buying and holding a diversified portfolio of stocks. If you’re like me, you’re probably investing in stocks on every payday,…