Xyratex (NASDAQ: XRTX ) dropped 5.63% to $7.71 in the pre-market session. Xyratex issued downbeat Q1 revenue forecast. J. C. Penney Company (NYSE: JCP ) shares dipped 3.92% to $18.40 in pre-market trading. Analysts at UBS downgraded J. C. Penney from “neutral” to “sell.” Research in Motion (NASDAQ: