Asian stocks fell, with a regional index dropping from a three-month high, as companies from Singapore Airlines Ltd. (SIA) and Hynix Semiconductor Inc. (000660) reported weaker earnings amid Europe’s debt crisis and an uncertain U.S. economic outlook.

Nikkei 225 8,831.93 -44.89 -0.51%

Hang Seng 20,756.98 +17.53 +0.08%

S&P/ASX 200 4,251.17 -16.67 -0.39%

Shanghai Composite 2,330.4 +17.85 +0.77%

Nippon Sheet Glass Co., a Japanese glassmaker, slumped 12 percent in Tokyo after forecasting a 3 billion yen ($39 million) loss for the year ending March 31 on slumping demand in Europe, its top market. Singapore Airlines, the world’s No. 2 carrier by market value, fell 3.6 percent as third-quarter profit tumbled 53 percent. Hynix Semiconductor, the world’s second-largest maker of computer-memory chips, slid 3.7 percent after posting a wider-than-expected loss.