Australia's Northern Star hits 7-month high after quarterly gold sales rise

** Shares of Northern Star NST.AX rise as much as 4.4% to A$25.700, hitting their highest level since March 12

** Gold miner reports September-quarter revenue from gold sales of A$1.82 billion ($1.28 billion), up 7.2% from A$1.70 billion a year earlier

** Company says average realised gold price rose to A$4,999 per ounce from A$4,452 a year earlier

** YTD, stock down 5.3%, including the session's moves

($1 = 1.4269 Australian dollars)