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Are you ready for the end of the bull market?

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Big stock gains have always been followed by big losses. Here are tips on how to prepare.

Sooner or later, the market will take a serious plunge. Stock markets always do, says the writer.

ILLUSTRATION: ALEX NABAUM/NYTIMES

Jeff Sommer

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The higher the artificial intelligence (AI) bull market goes, the more nervous I get. So I’ve been thinking about whether I’ve protected myself sufficiently for a crash.

This isn’t because I’m predicting an imminent market crisis. Not at all. Despite warnings from prominent bank executives and hedge fund managers that the stock market has become too high, I believe that the frenzy for AI – and for stock riches – is likely to keep the market moving upwards for a while.

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