Asian-Pacific markets advanced broadly Wednesday with Japan's Nikkei 225 breaking above the 10,000 threshold for the first time since April 4. It rose 2.4% to close at 10,160.40. Australia's S&P/ASX 200 gained 0.5%. Hong Kong's Hang Seng Index rose 0.6%. China's Shanghai Composite was flat. South Korea's Kospi was closed in observance of the nation's presidential election. India's Sensex was up 0.6% at midafternoon.