Societe Generale reported a 7.8% increase in net profit in the second quarter as the French bank's acquisition of the 50% stake it didn't already own in derivatives brokerage Newedge and robust fixed-income business buoyed earnings.

The Paris-based lender, France's third-largest listed bank by assets, said net profit rose to €1.03 billion ($1.34 billion) in the three months to June 30 from €955 million a year earlier.