Australian miners fall as weak copper prices weigh, US midterm outcome looms

** Australian mining stocks .AXMM fall as much as 2.4%, hitting their lowest level since October 26

** Copper prices fell to a 2-1/2-month low on Tuesday before trimming losses on uncertainty over the outcome of the US midterm elections MET/L

** Shares of BHP BHP.AX and Rio Tinto RIO.AX decline 2.8% and 2.3%, respectively

** YTD, miners down 0.2%