Asian stocks swung between gains and losses as investors weighed better-than-estimated earnings from Apple Inc. and Facebook Inc. and an unexpected drop in home sales in the world’s largest economy. Toyota Motor Corp., the world’s largest carmaker, slid 1.6 percent in Tokyo. Kansai Electric Power Co. sank 4.4 percent after saying it may take a “long time” to restart its nuclear reactors in Japan. Catcher Technology Co., which makes casings for iPhones, jumped 4.1 percent and Largan Precision Co., a supplier of lenses to Apple, rose 2.7 percent in Taipei. The MSCI Asia Pacific Index fell 0.2 percent to 138.65 as of ... (full story)