1. The FDA required Johnson & Johnson add a boxed warning to its diabetes drug Invokana about the risk of foot and leg amputations. In two clinical trials, Type 2 diabetes patients were two times more likely to have these amputations when taking Invokana, compared to a placebo (Reuters)

2. As part of plans to eventually sell pharmaceuticals, Amazon is reportedly planning to hire a general manager. (CNBC)

3. Some healthcare organizations, including Siemens AG, reported suspected or confirmed cyberattacks by the WannaCry ransomware that infected about 200,000 computers in more than 150 countries, a Homeland Security official said. (WSJ)

4. The FDA granted Bayer priority review for its experimental blood-cancer drug copanlisib. Phase-2 trials showed the drug improving the condition in 60% of patients. (Endpoints News)

5. The U.S. Patent and Trademark Office’s Patent Trial and Appeals Board ruled in favor of Coherus BioScience in its challenge of one of AbbVie’s patents for arthritis drug Humira. (FT)