Tokyo stocks rose Friday for a fourth straight day, with the Nikkei ending above the 40,000 mark for the first time since January, as concerns eased over steep U.S. tariffs and tensions in the Middle East.The 225-issue Nikkei Stock Average closed up 566.21 points, or 1.43 percent, from Thursday at 40,150.79, its highest level since Dec. 27. The broader Topix index finished 35.85 points, or 1.28 percent, higher at 2,840.54.On the top-tier Prime Market, gainers were led by nonferrous metal, transportation equipment and securities house issues.The U.S. dollar briefly strengthened to the upper …READ FULL ARTICLE