Amgen (NASDAQ:AMGN – Free Report) had its price objective trimmed by Jefferies Financial Group from $325.00 to $275.00 in a research note issued to investors on Friday morning, FlyOnTheWall reports. Several other research firms have also commented on AMGN. Argus decreased their price target on shares of Amgen from $270.00 to $260.00 in a report […]