ValuEngine Upgrade & Research: Xyratex
June 8, 2010 (FinancialWire) (Investrend Research Syndicate) ( Go to http://www.financialwire.net/?s=vlngnlv+updwngrds for more ValuEngine upgrade & research articles. ) — ValuEngine, Inc., has upgraded Xyratex Ltd. (NASDAQ: XRTX) to a "5" …