"In his words, a 'more equitable' relationship for the benefit of both peoples." The White House said Biden underscored that he looks forward to working with Petro on issues of climate change, health, and implementing Colombia's 2016 peace accord. Colombian peso, market down on leftist Petro's win BOGOTA - Colombia's peso currency, its stock index and shares in state-run oil company Ecopetrol were all down in the first minutes of trading on Tuesday after Petro's victory. Petro has promised to tackle deep inequality with pension redistributions, free university education and other social programs.