Australia's energy stocks fall on weak oil prices

** Shares of Australia's energy stocks .AXEJ fall as much as 1.6%

** Broader benchmark index .AXJO falls 0.9%

** Sub-index tracks falling oil prices as markets weighed an executive order from Trump that waived some sanctions and tariffs tied to Russian energy exports O/R

** Shares of energy firms Woodside Energy WDS.AX and Santos STO.AX down about 1% each

** YTD, sub-index has risen 32.3% vs benchmark up 0.6%