** Shares of Australia's Platinum Asset Management PTM.AX
plunged as much as 22.4% to A$1.013, posting their biggest
intraday pct fall since March 14, 2003
** Co expects to receive partial redemptions of at least
A$1.4 bln ($912.4 mln) from its institutional and wholesale
business over coming month
** Says one large client is indicating it intends to
rebalance exposure; account expected to remain but reduce in
mandate size
** Sees annualised fee revenue falling about A$18 mln as a
result of these events together and some other institutional
account changes seen over coming months
** Shares hit their lowest level since Feb 29
** About 10 mln shares exchange hands vs the 30-day average
of 2.9 mln shares
** Stock down ~2% YTD, as of last close
($1 = 1.5344 Australian dollars)
(Reporting by Echha Jain in Bengaluru)
((Echha.jain@thomsonreuters.com))