Upgrade & Research: Transocean
August 19, 2010 (FinancialWire) (Investrend Research Syndicate) ( Go to http://www.financialwire.net/?s=rsrchequty+updwngrds for more upgrade/downgrade & research articles. ) — ValuEngine, Inc., has upgraded Transocean Ltd. (NYSE: RIG) to a "5…