Warren Buffett's Berkshire Hathaway significantly reduced its investment in Amazon during the fourth quarter, cutting its stake by over 75%. Bloomberg posted on X, highlighting this strategic shift as Buffett also initiated a new investment in the New York Times, marking his final major decision as CEO of the conglomerate. This move reflects Berkshire's evolving investment strategy under Buffett's leadership, as he continues to adjust the company's portfolio in response to market dynamics.