Australian miners down on falling commodity prices

** Australian miners index .AXMM falls as much as 1.32%, hitting its lowest level since September 17

** Sub-index reacts to weakness in copper and iron ore prices MET/L IRONORE

** Sector majors like BHP BHP.AX, Rio Tinto RIO.AX and Fortescue FMG.AX lose 1%, 1.2% and 0.43% respectively

** Including session's moves, AXMM up 12% YTD, while the benchmark .AXJO is down 0.41% YTD