Kraft Heinz falls after Berkshire Hathaway signals a loss of confidence in its decades-old investment

The Kraft Heinz Company (NASDAQ:KHC) traded lower on Monday after Berkshire Hathaway (BRK.A) (BRKB) recorded a substantial $3.76 billion after-tax writedown or impairment on its investment in the food company.

The impairment is tied in part by Kraft Heinz’s (