** Australian gold stocks .AXGD rise as much as 1.64% to a new record high at 12,888.2 points
** Sub-index rising for seventh successive session; last up 1.4%
** Gold surged to a record high overnight, as the dollar weakened and uncertainty over the economic impact of U.S.-China trade tensions spurred demand for safe-haven bullion GOL/
** Gold miners Evolution Mining EVN.AX and Northern Star Resources NST.AX up 2.3% and 1.3%, respectively
** Sub-index up 52.6% this year, including the day's moves
(Reporting by Roushni Nair in Bengaluru)
((Roushni.Nair@thomsonreuters.com))