Why Is French Pharma Giant Sanofi Stock Trading Higher On Thursday?

The U.S. Food and Drug Administration (FDA) on Thursday granted orphan drug designation to Sanofi SA‘s (NASDAQ:SNY) rilzabrutinib. The treatment is an investigational, novel, advanced, oral, reversible Bruton's tyrosine kinase (BTK) inhibitor, for two rare diseases, warm autoimmune hemolytic…