Amarin (AMRN) Alert: Johnson Fistel Launches Investigation into Amarin Corporation plc; Investors Encouraged to Contact Firm PR Newswire SAN DIEGO, Aug. 9, 2019 SAN DIEGO , Aug. 9, 2019 /PRNewswire/ -- Shareholder Rights Law Firm Johnson Fistel, LLP, is investigating potential claims against Amarin Corporation plc ("Amarin") (NASDAQ: AMRN) for violations of federal securities laws. On August 8, 2019 , Amarin announced that it received notice from the FDA that it plans to hold an advisory...