WTI proxy USO closed at US$129.17, up 1.33%. Petrobras gained 1.46% on pre-salt strength, YPF rose 0.75% on Vaca Muerta, while Ecopetrol bucked the trend, dropp

The USO crude fund fell 1.42% to US$127.48 on a firmer dollar, yet Petrobras, Ecopetrol, and YPF advanced. A Latin America oil markets read for foreign investor

WTI proxy USO closed at US$129.17, up 1.33%. Petrobras gained 1.46% on pre-salt strength, YPF rose 0.75% on Vaca Muerta, while Ecopetrol bucked the trend, dropp

The USO oil fund rose 1.33% to US$129.17 on Friday. Petrobras gained 1.46% and YPF 0.75%, while Ecopetrol fell 1.58% - the only regional decliner.

Oil-focused equities fell across the Americas as the USO-tracking WTI proxy dropped 5.46% to US$122.12. YPF led the slide, down 2.82%, with energy names.