Could Summit Therapeutics Become the Next Merck?

Recent developments are forcing comparisons between these two drugmakers. Many pharmaceutical and biotech companies have one or a few main areas of expertise in which they develop and market their most important medicines. For Merck (MRK -1.70%), one of the most prominent companies in the business, that area is oncology. Merck is best known for its cancer drug Keytruda, which has been the best-selling medicine in the world since last year. It has several other cancer drugs in its portfolio although their sa ...