This Warren Buffett stock just hit a 2.5-year low

Warren Buffett is one of the most famous investors alive — and his reputation is well-earned. The ‘Oracle of Omaha’ has managed to outperform the wider market consistently using a level-headed, long-term approach based on value investing.Unsurprisingly, investors across the board — from lowly retail investors to high-flying hedge fund managers keep a close eye on his investments, hoping to emulate at least some of his successes.However, not all of Buffett’s investments end up being successful — the Dexter S ...