Formerly an orphan-drug designee, Danicopan treats PNH, a rare acquired blood disease.

Healthcare giant Johnson & Johnson cut costs by laying off 297 staffers tied to its insulin pump business, while also buying a German surgical software company and inking a deal with biotech company targeting hepatitis B treatments.

Wall Street starts the week with a rally.

The Dow is up more than 250 points.

Wall Street moves higher.

The New Haven, Conn.-based firm on Sept. 9 received a termination notice regarding its license and collaboration pact with Johnson & Johnson's Janssen Pharmaceuticals Inc. on hepatitis C.

Thursday's downgrade is in part based on a lack of confidence in Achillion's CH-4471 to compete with Alexion Pharmaceuticals' Soliris treatment.

And then there is Mylan.

Here's how to potentially rake in some fat profits off a number of hot breakout setups.

U.S. retirees may get a big benefit with the next Social Security cost-of-living adjustment for 2023.

Restaurants are moving to adapt to customers with very different wants and desires.

Stanley Druckenmiller, a former colleague of George Soros, bought and sold several stocks in the second quarter.