In the last period, 2016 Q1, the largest presented item is Lenovo PC with Sales Amount of 12.4M. The fastest growing participant in our report is Lenovo PC with 7.24% growth in Sales Amount over 13 quarters between 2013 Q1 to 2016 Q1. The topic that suffers from the biggest downturn is HP PC with 3.08% decline over the same period. This report represents data points consolidated from 2 sources: Gartner and Apple