Agencies Apple has once again become the top-selling smartphone brand in top market China, along with the rest of the world. That’s according to findings from two separate research reports, which come just before the tech giant is set to release its earnings for the most recent quarter on Thursday. A report by Counterpoint Research, published Wednesday, said Apple reached its “highest ever” market share in China in the three months to December. This is the first time in six years that the iPhone maker has hit the top spot in the country. Apple’s market share in China reached 23%…