Sanofi CEO: We underperformed in EM in 2013 By: CNBC.com News February 06, 2014 at 08:10 AM EST The CEO of Sanofi admitted the pharmaceutical giant underperformed in emerging markets last year, after reporting a decline in quarterly sales. Read More >> Related Stocks: Gsk Plc ADR Sanofi-Aventis S.A. ADR