Berkshire Hathaway Inc.’s stock sailed through a turbulent trading session Thursday, falling only slightly while indexes across the globe plummeted on President Donald Trump’s sweeping tariff plans.

Shares of Warren Buffett’s conglomerate outperformed the broader market, as its Class B stock slid 1.4%. That made it a haven relative to the S&P 500, which tumbled 5%, erasing $2 trillion of market value.