Asian stocks rose, driving the region’s benchmark index up for a second straight week and paring a quarterly decline, amid optimism Greece will avoid default, and signs a U.S. economic recovery is strengthening, boosting prospects for Asian exports and bank earnings. Mitsubishi UFJ Financial Group Inc. (8306), Japan’s largest publicly traded bank, jumped 5.9 percent this week in Tokyo on speculation Greece will avoid a default that might destabilize the region’s banking system. LG Electronics Inc., which gets 30 percent of its revenue in North America, rose 2.8 percent in Seoul. BHP Billiton Ltd. (BHP), the world’s largest mining company and Australia’s No. 1 oil producer, increased 3.4 percent in Sydney as oil and metal prices climbed.