Ecopetrol (EC) appears an attractive pick, as it has been recently upgraded to a Zacks Rank #2 (Buy). This upgrade is essentially a reflection of an upward trend in earnings estimates -- one of ...

April 14 (Reuters) - Colombian state-run oil firm Ecopetrol has signed an agreement with AES Colombia to build a cluster of wind farms in the northern province of La Guajira, it said on Monday.

Colombian state-run oil firm Ecopetrol has signed an agreement with AES Colombia to build a cluster of wind farms in the northern province of La Guajira, it said on Monday. Lower oil prices could ...