Investors are nervous Mr Petro has sought to reassure them by suggesting he would appoint a centrist finance minister. He won 50.4% of the vote to 47.3% for Rodolfo Hernández, a populist property tycoon. Mr Petro, an ex-mayor of Bogotá, will become the country’s first left-wing president in August.
Gustavo Petro, a former leftist guerrilla, won Colombia’s election.
