Australia's Ramelius Resources heads for worst day in 7 weeks on ex-dividend trade
** Shares of Ramelius Resources RMS.AX fall nearly 4% to A$3.635, on track for their lowest close since August 19
** Stock on track for its worst session since July 24
** Gold miner trades ex-dividend; distributes final dividend of 3 Australian cents per share
** RMS down 12.6% YTD