Australian energy stocks gain as oil prices hover higher
** Australian energy stocks .AXEJ rise as much as 2.3%, their biggest intraday pct gain since Sept 16
** Energy stocks gain on the back of rising oil prices after China halted fuel exports O/R
** Sector majors Woodside Energy WDS.AX and Santos STO.AX rise more than 1.5% each
** YTD, sub-index up more than 27%