Pierre-Yves Morlat, the former equity derivatives trading chief at Société Générale who left the French bank in April 2008 has been hired by Credit Suisse. Morlat, an equity derivatives, arbitrage, proprietary and quantitative trading expert, has joined Credit Suisse as a managing director in the investment banking division. From his base in London, Morlat will head the proprietary arbitrage trading for Europe, Middle East and Africa, and Asia Pacific. Prior to joining Credit Suisse, Morlat wo