AMGN ▲ +0.1% - Amgen Inc. $AMGN AMGN - FDA APPROVES REDUCED MONITORING TIME FOR FIRST TWO DOSES OF IMDELLTRA® Amgen rose 0.1% following FDA approval to reduce monitoring time for the first two doses of its cancer immunotherapy Imdelltra, a regulatory change that streamlines the treatment protocol and may improve patient convenience and clinical efficiency. 14-SEP-2026 09:03 AM ET