Buffett’s Berkshire cuts Apple stake by half, boosts cash stockpile to $277B as it gets ‘defensive’ Fox BusinessApple Investors Urged to Stay Calm After Buffett Slashes Stake BloombergWarren Buffett raises Berkshire cash level to record $277 billion after slashing stock holdings CNBCBerkshire’s cash hits $277 billion as Buffett pulls back from stocks; operating profit sets record ReutersWarren Buffett’s Berkshire Hathaway cuts stake in Apple by nearly 50% CNN