Shares of Petrobras surged 8% to $23.39 on Monday after the Brazilian state oil giant confirmed a second oil-bearing interval at its Morpho exploration well in

Shares of Petrobras surged 8% to $23.39 on Monday after the Brazilian state oil giant confirmed a second oil-bearing interval at its Morpho exploration well in ultra-deep waters off Amapá — a discovery that on Friday alone added R$20.9 billion to the company's market value and pushed its capitali…