By Martin Baccardax Apple reclaimed its title as the top selling smartphone in China last quarter after a six year slump, Counterpoint Research said Wednesday. Apple Inc. (AAPL) – Get Apple Inc. Report shares jumped higher Wednesday after market tracking data showed it captured the top spot in China for the first time in six years as investors await the tech giant’s December quarter earnings. Counterpoint Research said Apple was the top-selling smartphone vendor in China, the world’s biggest handset market, over the three months ending in December, with sales boosted by a post-pandemic rebound…