Berkshire Hathaway (BRKB) reported surging fourth-quarter earnings on Saturday, with Warren Buffett sharing his latest letter to shareholders. The annual letters are much anticipated, sharing the Berkshire chief’s insights on the business, the economy, investing and life itself. Warren Buffett’s Stock Buybacks, Cash Pile One closely watched item is the conglomerate’s ever-growing cash hoard, which hit $334 billion at year-end…
