In the last period, Y13-Q4, the largest presented item is HP PC with Market Share of 20.8%. The fastest growing participant in our report is Lenovo PC with 35.4% growth in Market Share over 5 quarters between Y12-Q4 to Y13-Q4. The topic that suffers from the biggest downturn is Acer PC with 1.94% decline over the same period. This report is based on data published by IDC