BANGKOK, Thailand — Asian shares were mixed on Monday after a lackluster post-Christmas session on Wall Street, despite a ratcheting up of tensions over Taiwan. U.S. futures were little changed. The Chinese military said it had dispatched air, navy and rocket troops to conduct joint military drills around the self-governed island, which Beijing claims as its territory, to warn against what it called separatist and “external interference” forces. Taiwan said it was placing its forces on alert and called the Beijing government “the biggest destroyer of peace.” READ: US stocks edge lower from records as precious metals surge The drills came after Beijing […]... Keep on reading: Asian shares mixed in quiet holiday trading