** Australia's Ramelius Resources RMS.AX jumps 5%, most on benchmark S&P ASX 200 index .AXJO

** RMS logs record underlying free cash flow of A$223 mln (~$140 mln) despite slightly lower March quarter production

** Stock rose as much as 6.1% earlier, biggest intraday jump in a week, with trading vol nearing the 30-day avg

** Stock has gained 16% YTD, about half of the 30% jump in the ASX All Ordinaries Gold index .AXGD ($1 = A$1.5934)

(Reporting by Roushni Nair in Bengaluru)

((Roushni.nair@thomsonreuters.com;))