** Shares of Imagion Biosystems fall as much as 24.3% to A$0.028, posting their largest intraday pct drop since early February

** Stock hits its lowest since Sept. 30

** Medical imaging co receives commitments to raise A$3 mln($2.02 mln) via a placement

** Placement issue price at A$0.02 per share, a ~46% discount to last close on Oct. 7

** Says funds will be used to accelerate development of its MagSense imaging technology for the treatment of breast cancer

** More than 504,000 shares change hands vs 30-day avg volume of around 315,000 shares

** Imagion down ~91.3% YTD, including current session's moves

($1 = 1.4872 Australian dollars)

(Reporting by Nikita Maria Jino in Bengaluru)

((Nikita.Jino@thomsonreuters.com;))