Linking cancer drug prices to their performance By: CNBC.com News May 27, 2015 at 13:54 PM EDT Express Scripts is looking at the possibility of paying more for drugs that have been proven to show more benefit, and less where the drug hasn't. Read More >> Related Stocks: AbbVie Astellas Pharma Inc Express Scripts Holding Gilead Sciences New York Times Company Regeneron Pharmaceuticals Rogers Corp Sanofi-Aventis S.A. ADR