伯克希尔哈撒韦四季度建仓纽约时报，减持亚马逊、美国银行

Core Viewpoint - Berkshire Hathaway has made significant adjustments to its investment portfolio in the fourth quarter, including new positions and changes in existing holdings [1] Group 1: New Investments - Berkshire Hathaway has initiated a position in The New York Times [1] Group 2: Increased Holdings - The company has increased its stakes in Chubb, Chevron, Domino's Pizza, and Lamar [1] Group 3: Reduced Holdings - Berkshire Hathaway has reduced its investments in Amazon, Bank of America, DaVita, Pool Corp., and Aon Plc [1] Group 4: Major Holdings - The company continues to hold significant positions in Apple, American Express, US Bank, Coca-Cola, and Chevron [1]