** Brightstar Resources BTR.AX jumps 11.7% to A$0.575, highest since April 22
** Gold explorer executes $11.5 million working capital finance facility with private firm Ocean Partners Australia
** Funds will be used to ramp up production at its projects in Laverton, Australia
** Stock marks biggest intraday pct gain since April 8
** BTR gains 9.5% YTD
(Reporting by Jasmeen Ara Shaikh in Bengaluru)
((JasmeenAraIslam.Shaikh@thomsonreuters.com;))