** Shares of Castle Minerals CDT.AX fall as much as 23.1%
to A$0.005, their biggest intraday decline since April 8
** Stock hits its lowest level in a week
** Battery metals explorer says it has raised A$580,000 via
placement at an issue price of A$0.0045 per share
** Issue price represents a 35.7% discount on co's last
close
** About 9.6 mln shares change hands, compared with the
30-day average volume of around 1.3 mln
** Stock down 47.4% YTD, including session's moves
(Reporting by Aaditya Govind Rao in Bengaluru)
((Aaditya.govindrao@thomsonreuters.com;))