Warren Buffett's public Kraft Heinz criticism is extremely unusual for the typically passive owner
1. Kraft Heinz shares fell 7.6% after Buffett's disappointment over the split. 2. Buffett criticized the $300 million overhead for the split, doubting its effectiveness. 3. Berkshire's stake value has decreased significantly since Kraft-Heinz merger in 2015. 4. Speculation grows that Berkshire may sell its stake, influencing other investors. 5. Market concerns about Kraft Heinz's inability to adapt to consumer tastes persist.