Ecopetrol (EC) has been one of the most searched-for stocks on Zacks.com lately. So, you might want to look at some of the facts that could shape the stock's performance in the near term.Over the past month, shares of this oil and natural gas exploration company have returned -14.7%, compared to the Zacks S&P 500 composite's +2% change. During this period, the Zacks Oil and Gas - Integrated - Emerging Markets industry, which Ecopetrol falls in, has gained 14.3%. The key question now is: What could be the st ...