Asian shares advanced to one-month highs on Wednesday, helped by Wall Street which gained on optimism over corporate earnings and prospects the U.S. MSCI’s broadest index of Asia-Pacific shares outside Japan gained 0.7 percent, led by a 1.2 percent rise in South Korean shares while Japan’s Nikkei share average rose 1.4 percent. The Fed is widely expected to announce on Wednesday it will end its two-year-old bond-buying stimulus, known as quantitative easing three, as the U.S.