(1)Wall Street closed (6)its final trading day in January on a high note buoyed by developments from (7)global central banks. (2)The Dow Jones Industrial Average rose 390.08 points, or 2.43%, to 16,459.72. (3)The S&P 500 climbed 46 points, or 2.43%, to 1,939.36, while (4)the Nasdaq Composite gained 107.28 points, or 2.38%, to 4,613.95