Most Asian stocks fell after U.S. manufacturing unexpectedly shrank and American lawmakers grappled with new budget proposals. Macau casino operators dropped after The Wall Street Journal reported that China has arrested several junket operators.

Nikkei 225 9,432.46 -25.72 -0.27%

S&P/ASX 200 4,503.58 -27.93 -0.62%

Shanghai Composite 1,975.14 +15.38 +0.78%

James Hardie Industries SE, the building materials suppliers that counts the U.S. as its biggest market, slid 1.2 percent in Sydney.

SJM Holdings Ltd., Asia’s biggest casino company, sank 4.9 percent in Hong Kong as Macau gambling revenues last month increased less than analysts estimates.

Olam International Ltd., the commodity supplier targeted by short seller Carson Block, jumped 3.5 percent in Singapore as it seeks to sell as much as $1.25 billion of bonds and warrants.