The foundry market grew 4.4% in 2015 to $48.8 billion, says Gartner. “Foundry growth was only possible from the high wafer demand by Apple and the revenue conversion of a few integrated device manufacturers (IDMs) to foundries,” says Gartner’s Sam Wang. TSMC, grew 5.5% in 2015, driven by the success of 20 nm planar and …