Australian miners slip as copper declines

** Australian mining stocks .AXMM fall as much as 2.2%; weigh on broader benchmark .AXJO, which is down 0.9%

** Sub-index on track to snap two straight sessions of gains

** Copper prices fell overnight as rising inventories and the end of a strike at a major Chilean mine eased supply concerns MET/L

** Copper-focused miners BHP BHP.AX and Rio Tinto RIO.AX fall as much as 2.6% and 1.8%, respectively

** YTD, AXMM up 6.9%, including day's moves, outpacing AXJO's 0.6% rise