Ecopetrol (EC) closed the most recent trading day at $9.02, moving +0.33% from the previous trading session. The stock lagged the S&P 500's daily gain of 0.9%. Meanwhile, the Dow gained 0.81%, and the Nasdaq, a techheavy index, added 1.22%. Prior to today's trading, shares of the oil and natural gas exploration company had lost 2.49% over the past month. This has lagged the Oils-Energy sector's gain of 5.22% and the S&P 500's gain of 3.15% in that time. The upcoming earnings release of Ecopetrol will be of ...