Japan and South Korea were big winners among Asian-Pacific markets Wednesday as the Bank of Japan ended a two-day meeting, leaving monetary policy unchanged. Japan's Nikkei 225 added 1.6%. South Korea's Kospi rose 0.6%. Hong Kong's Hang Seng Index dropped 0.5%. China's Shanghai Composite edged down 0.1%. Australia's S&P/ASX 200 gave up 0.3%. India's Sensex was down 0.2%.