Japanese stocks fell the most in six weeks as rising commodities prices sparked concern inflation will erode corporate profits.
Bridgestone Corp. led tiremakers lower after rubber futures rose to the highest in 28 years. Daihatsu Motor Co. sank the most in nine months after Daiwa Securities Group Inc. said materials costs will cut profit. Brother Industries Ltd. plunged after Goldman Sachs Group Inc. cut its rating on the printer maker.
The Nikkei 225 Stock Average lost 322.01, or 2.3%, to 13,690.19. The broader Topix index dropped 32.51, or 2.4%, to 1,344.18.