BUZZ-Australia's Greatland Resources rises on lifting gold reserve estimates
** Shares of Greatland Resources GGP.AX rise as much as 7.2% to A$12.995, their highest level since June 24
** Stock logs its largest intraday pct gain since June 15
** The diversified miner says its group ore reserves contain more gold than expected, lifts estimate by 62% to 5 million ounces, as at March 31
** Miner's portfolio includes the Telfer-Haverion gold copper complex in Western Australia
** Stock up 15.7% YTD, including the day's moves
