May 1, 2012 – Market research firm, Canalys reports that HP regained the lead in the global PC market in Q1 2012. Apple, which overtook HP in Q4 2011, slipped to number two followed by Lenovo, Acer, and Dell. According to the report, the total client PC market grew by 21% to 107 million units. In the US, tablets are reportedly approaching an estimated 40% of total shipments.