Will ghoulish investments pay off? By: CNBC.com News June 16, 2014 at 18:57 PM EDT As the global population ages, some see investment opportunities in somewhat ghoulish bets the rates of cancer and other illnesses will rise. Read More >> Related Stocks: Astrazeneca Plc ADR Bank of America Citigroup Hashicorp Inc Cl A Health Care REIT Novartis Ag ADR Pfizer Rogers Corp Sanofi-Aventis S.A. ADR Twitter, Inc. Ventas Inc