BEIJING, Dec. 11, 2012 (GLOBE NEWSWIRE) — SINA Corporation ("SINA") (Nasdaq:SINA), a leading online media company serving China and the global Chinese communities, and AutoNavi Holdings Limited ("AutoNavi") (Nasdaq:AMAP), a leading provider of digital map content and navigation and location-based solutions in China, today jointly announced a strategic partnership to integrate and enhance each other’s […]