Compared to the old flame $Coca Cola(KO.US), $Berkshire Hathaway B(BRK.B.US) has performed much worse recently. Coke has much greater elasticity, making short-term trading more advantageous. However, from a valuation perspective, it's not considered cheap now. It's just that Coke's stable cash flow and generous dividends are indeed quite attractive. Everyone, what other factors do you think make Coke perform better?