Asian stock markets risked slipping to two-month lows on Wednesday as crumbling oil prices took a toll on energy and resource shares, with cooling demand from China putting more pressure on resources-reliant economies. MSCI’s broadest index of Asia-Pacific shares outside Japan was flat but stood barely above its November trough, a break of which would take it to its lowest level since early October. Japan’s Nikkei (.N225) shed 0.6 percent to hit a three-week low.