imaginima How many times in your life do you get to swing for the fences with a stock, knowing that if you are right, you could make multiples of your money and if you are wrong, you probably won't lose much money? This is exactly how I view investing in Gran Tierra Energy Inc. (NYSE:GTE), a micro-cap Canadian oil drilling company that operates in South America. Gran Tierra Energy is trading at a massive discount to its net asset value, as well as at an extremely low multiple of its free cash flow. Gran Tie ...