ValuEngine Upgrades Edison International, Integrated Device Tech, Ameran Corp., Solvay To A '5' Rating
February 20, 2009 (FinancialWire) (Investrend Research Syndicate) -- ValuEngine, Inc. (<a href="http://www.valuengine.com">http://www.valuengine.com</a>) upgraded five companies, including Edison International (NYSE: EIX), …