Investment HAGENS BERMAN, NATIONAL TRIAL ATTORNEYS, Encourages Investors in Opera Limited (OPRA) Who Have Suffered Significant Losses to Contact its Attorneys: Securities Class Action Case Filed – PRNewswire January 25, 2020 johorbiznet Johor News HAGENS BERMAN, NATIONAL TRIAL ATTORNEYS, Encourages Investors in Opera Limited (OPRA) Who Have Suffered Significant Losses to Contact its Attorneys: Securities Class Action Case Filed PRNewswire Source: Investment New Feed