By Silvia Aloisi and Matthieu Protard PARIS(Reuters) – Societe Generale, France’s third-biggest listed bank, joined European rivals in posting a higher than expected net income in the third quarter thanks to bumper trading revenues as veteran CEO Frederic Oudea prepares to hand over the reins. SocGen, which last month appointed its investment banking chief to replace Oudea from next May, said net income had come in at 1.5 billion euros ($1.46 billion)- down 6% from a year earlier but well above a Refinitiv consensus forecast of 1 billion euros. The shares rose nearly 6% by 0905 GMT. The beat w…