The Nikkei stock index jumped over 2 percent Wednesday, boosted by technology shares on hopes for upbeat earnings from U.S. companies, with sentiment further lifted by advances on other Asian markets.The 225-issue Nikkei Stock Average ended up 907.92 points, or 2.42 percent, from Tuesday at 38,460.08. The broader Topix index finished 44.50 points, or 1.67 percent, higher at 2,710.73.On the top-tier Prime Market, gainers were led by precision instrument, electric appliance and transportation equipment issues.The U.S. dollar climbed to a new 34-year high of 154.98 yen in Tokyo, as recent stro…READ FULL ARTICLE