** Shares of Rimfire Pacific Mining RIM.AX fall as much as 29.2% to A$0.017, hitting their lowest level since June 19
** Stock marks its biggest intraday pct loss since September 26, 2024
** The critical minerals explorer says it will raise A$3.5 million ($2.29 million) at an issue price of A$0.015
** Says issue price at a 37.5% discount to stock's last close
** Stock down 51.4% this year, including the day's move
($1 = 1.5253 Australian dollars)
(Reporting by Rajasik Mukherjee in Bengaluru)
((Rajasik.Mukherjee@thomsonreuters.com))