UPDATE 4-Sanofi digs deep to buy U.S. haemophilia group Bioverativ for $11.6 bln By: Reuters: Company News January 22, 2018 at 04:22 AM EST * Shares in Sanofi down more than 3 percent (Adds shares, analyst comment) Read More >> Related Stocks: Banco Santander ADR Biogen Idec Celgene Corp JPMorgan Chase & Co Johnson & Johnson Lazard Inc Pfizer Trean Insurance Group Inc