By Katherine Hamilton


Atossa Therapeutics said the FDA gave an orphan drug designation to its drug Z-Endoxifen to treat Duchenne muscular dystrophy. Shares gained 16% to 71 cents in after-hours trading Friday.

A U.S. railroad regulator asked Union Pacific and Norfolk Southern to revise and resubmit their application to merge. Union Pacific's stock rose 4.2% to $239.18 after the bell.


Write to Katherine Hamilton at katherine.hamilton@wsj.com


(END) Dow Jones Newswires

01-16-26 1829ET