** A sub-index of Australian mining stocks .AXMM jumps as
much as ~3%, their biggest intraday pct gain since April 28
** AXMM tracks higher iron ore prices, as hopes of
improvement in demand rose on optimism that COVID-19 lockdowns
in China will ease further
** Heavyweight Rio Tinto Ltd RIO.AX advances 2.1%, while
rival BHP Group Ltd BHP.AX jumps as much as 3.5%, their
biggest intraday jump since April 28
** Sayona Mining Ltd SYA.AX climbs 10.2% to top gains on
the sub-index
** Fortescue Metals Group Ltd FMG.AX jumps 1.8% after it
appointed its billionaire founder Andrew Forrest as executive
chairman, specifically to oversee iron ore business for interim
period when Chief Executive Elizabeth Gaines leaves in August
** Champion Iron Ltd CIA.AX and Red 5 Ltd RED.AX jump
4.6% and 4.3%, respectively
** AXMM hits its highest since May 9
** AXMM up 1.4% this year, as of last close, compared to a
4.5% decline in the benchmark index .AXJO
(Reporting by Harish Sridharan in Bengaluru)
((harish.sridharan@thomsonreuters.com))