BUZZ — Australia's PLS Group rises on $1.3 billion Pilgangoora expansion approval
* Shares of PLS Group rise as much as 6.1% to A$3.150, their biggest intraday pct gain since August 24 * Diversified miner approves a final investment decision for the A$1.9 billion ($1.31 billion) P2000 expansion at its Pilgangoora operation in Western Australia * Says the project will lift spodumene concentrate produ