Asia stocks fall amid Greek political chaos

World stock markets fell Wednesday, with Japan's Nikkei closing at a three-month low, as political turmoil in Greece pushed the debt-crippled country closer to financial disaster.

Most Asian stock markets fell Friday following disappointing U.S. corporate earnings and uncertain progress from a European summit convened to hash out solutions to the region's debt crisis.

Unsettling news about Europe's debt crisis and disappointing U.S. corporate earnings weighed on Asian stock markets Tuesday.