** Shares of Manuka Resources MKR.AX fall as much as 29% to A$0.066, posting their biggest intraday pct loss since December 13, 2024
** Stock hits its lowest level since October 13
** Mineral explorer says firm commitments received to raise A$15 million ($9.75 million) at an issue price of A$0.075 per share
** Offer price represents a 19.4% discount to the stock's last close
** Funds will be used to accelerate production at the Wonawinta silver mine in New South Wales, among others - co
** About 29.1 mln shares change hands, 4.6x the 30-day average
** Stock has more than doubled in value so far this year
($1 = 1.5389 Australian dollars)
(Reporting by Ananya Verma in Bengaluru)
((ananya.verma@thomsonreuters.com;))