Shi Jianxiang, whose collapsed peer-to-peer lending platform raised $6.3 billion in a Ponzi scheme, was arrested in Las Vegas promoting his cryptocurrency venture

Half-price deal for six months of treatment is intended to jump-start Keytruda competing with Bristol-Myers’ Opidivo

Bristol-Myers Squibb’s Opidivo likely to have limited impact on market due to regulator’s restrictions, insider says

Melanoma treatment Keytruda expected to be priced at half the U.S. market price, sources say

U.S. giant applies to sell Keytruda, joining global rival Bristol-Myers Squibb

China still uses old-generation therapies that have harsh side effects, including headaches, hair loss