Amgen (NASDAQ:AMGN) rose by 3.05% to trade at $190.88 by 15:34 (19:34 GMT) on Friday on the NASDAQ exchange.
The volume of Amgen shares traded since the start of the session was 0. Amgen has traded in a range of $182.82 to $191.49 on the day.
The stock has traded at $191.4800 at its highest and $179.6100 at its lowest during the past seven days.
