Amgen (NASDAQ:AMGN) rose by 4.68% to trade at $205.44 by 09:32 (13:32 GMT) on Monday on the NASDAQ exchange.
The volume of Amgen shares traded since the start of the session was 445.94K. Amgen has traded in a range of $197.26 to $205.72 on the day.
The stock has traded at $205.6200 at its highest and $179.6100 at its lowest during the past seven days.
