** Shares of Horizon Therapeutics PLC HZNP.O slide 18% to
$92.02 premarket after report Amgen's $27.8 billion deal for the
biotech firm
** The U.S. Federal Trade Commission is expected to file a
lawsuit as early as Tuesday to block the deal, a person familiar
with the matter told Reuters
** Stock has jumped 42.8% since co said its board was
engaged in highly early discussions with three pharmaceutical
giants for potential takeover offers
** HZNP shares are up 24.1% over the past 12 months
(Reporting by Medha Singh)
((medha.singh@thomsonreuters.com))