Asian stocks fell, with a regional benchmark index headed for its first loss in six days, as the Organization for Economic Cooperation and Development said failure to prevent the so-called fiscal cliff in the U.S. would increase the risk of a global recession.

Nikkei 225 9,308.35 -114.95 -1.22%

S&P/ASX 200 4,447.31 -9.52 -0.21%

Shanghai Composite 1,973.52 -17.64 -0.89%

BHP Billiton Ltd., the world’s largest mining company, sank 1 percent in Sydney, leading losses among companies with earnings closely tied to economic growth.

Komatsu Ltd., which gets about a quarter of its sales in the U.S., fell 1.7 percent.

Hulic Co. tumbled 11 percent after the Japanese real-estate operator said it plans a share sale.