** Shares of Alumina Ltd AWC.AX drop up to 8% to A$1.565,
set for their worst day since July 8, 2020, if losses hold
** Aluminium producer's joint venture partner Alcoa Corp's
AA.N Q4 results on Wednesday disappointed, shares fell 2.6%
** Alcoa forecast lower alumina shipments in 2023 due to
economic uncertainties and decline in alumina and aluminium
prices
** Alcoa warned of higher raw material, energy and
production costs impacting product pricing
** Last week, Alcoa cut output at its partially-owned
Kwinana alumina refinery in Western Australia by 30% due to a
shortage of gas supply
** AWC shares hit lowest since Jan 10, third top loser on
the ASX 200 benchmark index .AXJO
** AWC fell 18.5% in 2022
(Reporting by Savyata Mishra in Bengaluru)
((Savyata.Mishra@thomsonreuters.com))