Eileen Murray, the co-CEO of Bridgewater Associates, is stepping down from her role at the $160 billion hedge fund at the end of next quarter. The world's largest hedge fund announced Murray's departure in a press release Tuesday morning. Co-CEO David McCormick will serve as the sole CEO of the firm, the release said. "With the firm's management transition on solid footing, I feel now is a good time for me to leave Bridgewater to pursue other opportunities," Murray said in a statement.