Asian stock markets turned cautious on Wednesday while the U.S. dollar crept higher as looming euro zone meetings to discuss the Greek debt crisis threatened to produce more confusion than clarity. China’s central bank on Tuesday said it was ready to fight a downturn, while not taking excessive risks with credit creation. Australia’s main index slipped 0.6 percent even as a survey showing consumer confidence had surged to 13-month peaks in the wake of last week’s cut in domestic interest rates.