Shell Plc said its oil trading performance worsened in the fourth quarter as crude prices slumped, adding to signs that Big Oil is heading into a tougher earnings season.

Shell denied that it was in talks to buy BP after the Wall Street Journal reported Wednesday that the oil major was in early discussions over a takeover of its British rival. “No talks are taking ...

Shell is making a quiet but pointed return to Angola’s offshore oil patch, signing a deal to acquire a 35% stake in two ...