Tokyo stocks extended their losing streak to five days, with the key Nikkei index losing over 2 percent amid wariness over the U.S. economy's prospects, as stronger-than-expected job openings data fueled fears of further interest rate hikes by the Federal Reserve.On the currency market, the U.S. dollar was off from a one-year high above the 150 yen line overnight, after it plunged to as low as 147.30 yen in a suspected yen-buying intervention by Japanese authorities.The 225-issue Nikkei Stock Average ended down 711.06 points, or 2.28 percent, from Tuesday at 30,526.88, its lowest since May …READ FULL ARTICLE