Semiconductor stock Applied Materials Inc (NASDAQ:AMAT) is up 1.7% to trade at $235.81 at last check, on the heels of an upgrade to "buy" from "neutral" at UBS. The firm also hiked its price target to $285 from $250, citing a "significantly more bullish outlook for wafer fab equipment."Heading into today, analysts were split toward the equity. Sixteen of the 35 brokerages in coverage carried a tepid "hold" recommendation, leaving ample room for more upgrades in the coming weeks. AMAT has been an outperforme ...