Australian miners slip to 2-1/2-month low as copper prices fall

** Shares of Australian miners .AXMM fall as much as 0.7%, hitting their lowest level since August 4

** The sub-index tracks copper prices, which fell as selling pressure in chip stocks spilled over into the metal MET/L

** Rio Tinto RIO.AX falls 0.4% as the miner reported a 2% rise in its quarterly iron ore sales, while BHP BHP.AX slips 0.7%

** AXMM up over 10% this year, including the day's move