Why it matters: This is a major and unexpected development that hints at a possible Alzheimer's treatment, driving Biogen's stock price up by more than 25%. But there remains widespread skepticism about how Biogen is interpreting the clinical trial data, and whether the data shows the drug is effective.
New drugs are launching with ever-higher prices
The average launch prices for new brand-name drugs have skyrocketed over the past decade, according to an analysis from drug research firm 46brooklyn.
Why it matters: The U.S. prescription drug market increasingly has thrived on high initial price tags and subsequent increases. That has resulted in higher premiums and out-of-pocket costs for new drugs, as well as more expensive generics.