Apple again led the combined PC and tablet market in shipments during Q4 2013, according to a report from research firm Canalys. Apple shipped 30.9 million Mac and iPad units, accounting for a 19.5% share of the market. Lenovo secured the second spot behind Apple by increasing its market share 25.5% year-over-year, as the Chinese company jumped over HP and now has an 11.8% share of the global PC market. Canalys' estimates show that 84.3% of Apple's shipments, or 26 million units, were iPads. The combined launch of the iPad Air and the Retina iPad mini helped boost the company's share of the overall tablet market from 27.4% in Q4 201