Asian stocks fell, with the regional benchmark index headed for a one-week low, as raw-material suppliers dropped after commodities entered a bear market and reports on U.S. home sales and manufacturing missed estimates.

Nikkei 225 8,798.35 -25.72 -0.29%

Hang Seng 18,982.63 -282.44 -1.47%

S&P/ASX 200 4,048.2 -39.37 -0.96%

Shanghai Composite 2,260.88 -32.00 -1.40%

BHP Billiton Ltd., the world’s biggest mining company, slipped 2.1 percent in Sydney.

Samsung Electronics Co., the largest mobile-phone maker by sales, fell 3.7 percent in Seoul.

Mitsubishi UFJ Financial Group Inc., Japan’s No. 1 lender, lost 1.1 percent in Tokyo after 15 global banks were downgraded by Moody’s Investors Service.