Asian stocks fell, with the regional benchmark index snapping a two-day gain, as a cut in Spain’s credit rating overshadowed better-than-expected earnings by companies including Samsung Electronics Co. and the Bank of Japan’s move to expand economic stimulus.

Nikkei 225 9,520.89 -40.94 -0.43%

Hang Seng 20,722.75 -86.96 -0.42%

S&P/ASX 200 4,362.1 -13.10 -0.30%

Shanghai Composite 2,396.32 -8.38 -0.35%

Nippon Sheet Glass Co., which depends on Europe for about 39 percent of its sales, fell 1.9 percent in Tokyo.

Mitsubishi UFJ Financial Group Inc., Japan’s biggest lender, slid 0.3 percent, erasing gains of as much as 3.1 percent immediately after the BOJ statement was released.

Nintendo Co. sank 5.5 percent as the Japanese maker of Wii game consoles forecast profit that missed analysts’ estimates.

Samsung Electronics, Asia’s largest maker of consumer electronics, climbed 2.5 percent in Seoul.