Warren Buffett's Berkshire Hathaway shares hit new high after record profit
1. Berkshire Hathaway posts record profit. Insurance operations boosted earnings. 2. Q4 profit increased 71% to $14.53B. Surpasses analyst expectations. 3. Full-year profit rose 27% to $47.44B. Cash doubled with reduced Apple stake. 4. Buffett signals leadership transition plans. Greg Abel designated for future CEO role.