Buffett watchers cheer Berkshire's Apple and UnitedHealth bets — but wonder why he's sitting on so much cash
1. Berkshire Hathaway trimmed its Apple holdings, raising concerns among investors. 2. Apple's valuation questioned as Buffett cashes in significant profits. 3. Buffett's strategic shift may signal undervaluation in technology stocks. 4. Berkshire's cash reserves reach a record of $344 billion without buybacks. 5. Future investments may hinge on market conditions post-Buffett's retirement.