Australia's Mayne Pharma eyes worst day ever as Treasurer weighs blocking its buyout

Mayne Pharma

30/10/2025 23:40

** Shares of Mayne Pharma Group MYX.AX fall as much as 38.6% to A$3.81, hitting their lowest level since August 21, 2024

** Stock set for weakest trading session ever, if current trends hold

** Co received letter from potential acquirer Cosette Pharma, saying country's treasurer was looking to block A$672 million ($436.67 million) buyout of the firm

** Stock down 12.5% YTD, including the day's moves

($1 = 1.5389 Australian dollars)

 (Reporting by Shivangi Lahiri in Bengaluru)

 ((shivangi.lahiri@thomsonreuters.com))