Since the launch of the iPhone in 2008, the global smartphone market has grown into one of the most critically important areas of technology today. Especially given the current upheaval taking place in the PC market, this big-ticket trend should only continue for years to come. This budding importance has also made the smartphone space one of the most closely watched areas in all of tech. Fool contributor Andrew Tonner breaks down the second quarter's winners and losers in the video below.