Why MannKind Corporation (MNKD), Endurance International Group Hldgs Inc (EIGI) and Visa Inc. (V) Are 3 of Today’s Worst Stocks By: InvestorPlace November 02, 2015 at 11:51 AM EST Read More >> Related Stocks: Constant Contact, Inc. Endurance Int Group Sanofi-Aventis S.A. ADR Visa