Warren Buffett's Berkshire Hathaway said first-half revenues fell 39% at Squishmallows' parent company and 12% at Fruit of the Loom as tariffs loomed.

Warren Buffett's company reported less than half as much profit in the second quarter as it took a $3.76 billion writedown on the value of its stake in Kraft Heinz as that iconic food producer considers largely undoing the merger that Berkshire Hathaway helped bankroll.