Asian stocks fell, with the regional benchmark poised for its biggest drop in six weeks, as investors turned their attention to the U.S. budget debate and China’s Communist Party began a meeting to choose new leaders.

Nikkei 225 8,837.15 -135.74 -1.51%

S&P/ASX 200 4,483.82 -32.64 -0.72%

Shanghai Composite 2,071.51 -34.22 -1.63%

Li & Fung Ltd., a supplier of clothes and toys that gets 60 percent of sales in the U.S., lost 2.9 percent in Hong Kong.

Canon Inc., a camera manufacturer that depends on Europe for almost a third of its sales, sank 2.5 percent in Tokyo after the European Commission cut its growth forecast for the monetary union.

Komatsu Ltd. dropped 2.2 percent after Japan’s machinery orders fell more than expected.