Japan's Nikkei stock index plunges over 3%

The Nikkei stock index plunged more than 3 percent Friday morning with the 225-issue Nikkei Stock Average fell 1,260.89 points, or 3.31 percent, from Thursday to 36,818.81. According to Kyodo News, the broader Topix index was down 74.38 points, or 2.78 percent, at 2,603.07.At noon, the dollar fetch