Breaking up Berkshire Hathaway may be the best idea in a post-Buffett world By: MarketWatch June 26, 2018 at 09:45 AM EDT The underperformance of the large conglomerate has gone on too long. Read More >> Related Stocks: Alphabet-C American Express Apple Bank of America Berkshire Hathaway Coca-Cola Company Facebook Goldman Sachs Group International Business Machines