US stock fluctuations | Bristol-Myers Squibb (BMY.US) drops 3%, Chief Medical Officer to resign on August 1st

According to the Securities Times app, on Friday, Bristol-Myers Squibb (BMY.US) fell by 3% to $47.43 per share. In terms of news, Bristol-Myers Squibb released a statement today stating that Samit Hirawat, who is responsible for the company's new drug development, will resign on August 1st and continue to serve as a consultant until November. The company stated that Hirawat's resignation is to seek new opportunities for development. Cristian Massacesi, who previously served as Chief Medical Officer at AstraZeneca (AZN.US) and led cancer drug development, will take over his position.