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Sunday, December 27, 2009, 8:41AM ET - U.S. Markets Closed. Dow  0.51% Nasdaq  0.71%

Gran Tierra Energy, Inc. (GTE)

On Dec 24: 5.75   0.00 (0.00%)

Upgrades & Downgrades History UPGRADES & DOWNGRADES HISTORY   Date Research Firm Action From To 25-Nov-09 Wunderlich Downgrade Buy Hold 28-Aug-09 BMO Capital Markets Downgrade Outperform Market Perform 2-Jul-09 JP Morgan Initiated Neutral 23-Jan-09 Wunderlich Initiated Buy 25-Nov-08 BMO Capital Markets Initiated Outperform  Add to Portfolio     Set Alert     Email to a Friend Get Upgrades and Downgrades for Another Symbol: Symbol Lookup Data provided by Briefing.com - Take a Free Trial Complete Live market analysis of the U.S. stock and bond markets, technology stocks, economic releases, earnings reports, and day trading highlights.