** Mayne Pharma MYX.AX gains as much as 4.7% to A$2.45, highest since April 2
** Stock marks biggest intraday pct gain since April 1
** Co expects no material impact to FY27 earnings profile from New Section 232 tariff proclamation announced by Donald Trump
** Trump signed executive order imposing 100% tariffs on branded pharma products imported into U.S. unless makers agree to government drug pricing deals or commit to making their products domestically
** YTD, MYX down 21.5%
(Reporting by Nichiket Sunil in Bengaluru)
((Nichiket.Sunil@thomsonreuters.com))