Australian shares of copper miners retreat as prices ease off record high

ASX shares of copper miners fall after copper prices retreat from record highs ahead of the U.S. Federal Reserve's rate decision this week MET/L

Shares of Sandfire Resources SFR.AX fall as much as 2.1%, its biggest intraday pct drop since Nov. 21

ASX shares of Capstone Copper CSC.AX CS.TO are down 1.4%

Broader mining sub-index .AXMM down 0.3%