** Shares of Andean Silver ASL.AX fall as much as 9.4% to A$1.255, their biggest intraday pct drop since June 25

** The mineral explorer receives firm commitments to raise A$30 million ($19.49 million) through placement at an issue price of A1.20 per share

** Issue price represents a 13.4% discount to stock's last close

** Stock is up 57.4% YTD, including the session's moves

($1 = 1.5394 Australian dollars)

(Reporting by Anjali Singh in Bengaluru)

((anjali.singh2@thomsonreuters.com;))