Most Asian stocks fell amid speculation shares may have risen too far, too fast. Japanese shares as the yen climbed against the dollar after hitting its lowest level in 2 1/2 years.

Nikkei 225 10,747.74 -165.56 -1.52%

Hang Seng 23,590.91 -10.87 -0.05%

S&P/ASX 200 4,777.5 +6.27 +0.13%

Shanghai Composite 2,328.22 +11.15 +0.48%

Sims Metal Management Ltd., the world’s largest scrap metal recycler, dropped 5 percent in Sydney as an internal investigation revealed potential fraud at two of its U.K. businesses.

Fanuc Corp. slid 3.9 percent in Tokyo after the factory-robotics company’s rating was cut at Citigroup Inc.