Tokyo stocks ended lower in volatile trading Wednesday, with the Nikkei briefly plunging toward 60,000, as media projections showed Democrats had regained control of both houses of the U.S. Congress.The 225-issue Nikkei Stock Average ended down 893.23 points, or 1.42 percent, from Monday at 62,188.63. The broader Topix index finished 34.90 points, or 0.89 percent, lower at 3,895.38.Japanese markets were closed on Tuesday for a public holiday.On the top-tier Prime Market, the main decliners were nonferrous metal, oil and coal product and mining issues.The U.S. dollar weakened, briefly fallin…READ FULL ARTICLE