Asian stocks fell and Japan’s bond pas cher air max tn risk soared to a record on concern the nation’s nuclear crisis will cripple its economy. The yen pared gains on speculation policy makers will intervene to weaken the currency.

The MSCI Asia Pacific Index slid 0.7 percent as of 12:55 p.m. in Tokyo. The yen traded at 78.95 per dollar after earlier rallying as much as 3.9 percent to a post-World War II high of 76.36. That helped the Nikkei 225 Stock Average trim a drop of as much as 5 percent to trade 1.7 percent lower. Brent oil retreated 0.5 percent on concern Japanese demand will slow. Futures on the Standard & Poor’s 500 Index increased 0.4 percent.

Military helicopters are dumping water on a pool storing spent fuel at the No. 3 reactor at the Fukushima Dai-Ichi power station in a bid to cool uranium air max tn homme and plutonium fuel rods that two nuclear regulators overseas said were exposed and could be spewing radiation. South Korea and the U.K. are among nations advising their citizens to leave Japan after last week’s record earthquake, while companies from Sony Corp. to Asahi Breweries Ltd. are bracing for blackouts and have shut factories.

“Given how severe the nuclear situation is in Japan, I would not be heroic, I would not be jumping in,” Anthony Cragg, a portfolio manager at Wells Capital Management, said in a Bloomberg Television interview from Denver, Colorado. “A stronger yen is the last thing air max tn femme the Japanese market needs at the moment so I think the government will be forced to intervene.”