** Shares of Alumina Ltd AWC.AX fall as much as 4.5% to
A$1.375, their lowest since Nov 1, 2022
** The aluminium producer said on Wednesday output at its
Portland smelter in Victoria would be reduced to about 75% of
its total capacity of 358,000 metric tonnes per year
** The cut in production will begin immediately, Alumina
said
** Stock posts its biggest intraday pct fall since Feb 21
** Stock down 5.3% this year, as of last close
(Reporting by Poonam Behura in Bengaluru)
((Poonam.Behura@thomsonreuters.com;))