** Shares of Costa Group Holdings CGC.AX down as much as
11.8% to A$2.24 - their lowest level since Feb. 25, 2016
** Fruit grower says CEO and managing director Sean Hallahan
will step down with effect from Sept. 26 urn:newsml:reuters.com:*:nASX73TRVG
** Hallahan was appointed CEO of CGC in April 2021 and spent
total of five years in the co; he was also co's chief operating
officer
** Former CEO Harry Debney appointed as Interim CEO - CGC
** Debney is currently a non-executive director at CGC, and
was its CEO for 10 years from 2010 to April 2021
** Stock top loser on the benchmark index .AXJO
** Stock posts its biggest intraday pct fall since July 11
** Stock down 16.2% this year as of last close
(Reporting by Harish Sridharan in Bengaluru)
((harish.sridharan@thomsonreuters.com))