Warren Buffett’s Berkshire Hathaway dumps $75.5 billion worth of stock and halves Apple stake FortuneWarren Buffett’s Berkshire Hathaway cuts stake in Apple by nearly 50% CNNWarren Buffett raises Berkshire cash level to record $277 billion after slashing stock holdings CNBCBerkshire Post Earnings. Operating Profit Rises 15%, Cash at Record $277 Billion. Barron’sBerkshire’s Cash Stockpile Soars as It Cuts Its Stake in Apple The New York Times