In the last period, 2015 Q1, the largest presented item is Samsung Smartphone with Sales Amount of 83.3M. The fastest growing participant in our report is IPhone with 40.05% growth in Sales Amount over 5 quarters between 2014 Q1 to 2015 Q1. The topic that suffers from the biggest downturn is Samsung Smartphone with 7.34% decline over the same period. This report is based on data published by Strategy Analytics