Warren Buffett's Berkshire Hathaway said on Saturday it took a $3.76 billion write-down on its stake in Kraft Heinz during the second quarter, an acknowledgment the decade-old investment hasn't worked out.

STORY: Warren Buffett's Berkshire Hathaway said it took a more than $3.7 billion write-down on its stake in Kraft Heinz in the second quarter...an acknowledgment that the decade-old investment hasn't worked out.

Berkshire Hathaway has been hit by a $3.8bn writedown on its investment in Kraft Heinz, in an acknowledgment of the trouble Warren Buffett has had with his landmark 2015 consumer goods industry deal.