** Shares of Minbos Resources MNB.AX fall 21.9% to A$0.025, lowest since November 9, 2020
** Agricultural chemicals maker says it will raise A$3.36 million ($2.22 million) as part of a placement
** Issue price of A$0.026 per share is at a nearly 19% discount to the stock's last closing price
** Stock posts its biggest intraday pct fall since October 2, 2024
** Almost 1.6 million shares change hands, compared with the 30-day average volume of 1 million
** MNB down 55.9% YTD, including session's moves
($1 = 1.5138 Australian dollars)
(Reporting by Adwitiya Srivastava in Bengaluru)
((Adwitiya.Srivastava@thomsonreuters.com))