The other reason AMRN might be down is technical. Although I am a technical analysis skeptic, many believe that when a gap appears in a chart, there is a strong tendency to fill it... and we had such a gap roughly between $2 and $2.20 in mid March.
dead-cat - I've seen that over the years as well. But, this is Amarin where good news happens only once every other blue moon with nothing but pain and anguish the rest of the time.
AMGN BD's came out today for their cancer drug/vaccine, Adcom is on Wed, and the BDs apparently point to "this stuff doesn't work, don't approve" - just more bad news pushing down bios today.