Wednesday's ASCO cancer data drop: What to watch By: CNBC.com News May 13, 2015 at 11:53 AM EDT Ahead of the world's biggest cancer research conference, the American Society of Clinical Oncology meeting, here are the companies to watch. Read More >> Related Stocks: AbbVie Amgen Astrazeneca Plc ADR Bellicum Pharmaceuticals Inc Bristol-Myers Squibb Citigroup Clovis Oncology Inc Eli Lilly Merck & Co Novartis Ag ADR Pfizer Takeda Pharma