Pfizer's attempt to take over AstraZeneca in May would probably have failed after changes to U.S. tax laws, even if the companies had reached a deal.
An experimental Ebola vaccine made by GlaxoSmithKline caused no serious side effects, scientists reported on Wednesday.
Less than a month into Obamacare's second open-enrollment season, the HHS says "we're off to a solid start."
Hedge fund mogul Bill Ackman told investors they could see a $6 billion payday when he closes the chapter on Allergan.
Get the best of CNBC in your inbox