Australia's Qantas hits near 4-month low on ex-dividend trade
** Shares of Qantas Airways QAN.AX fall as much as 3% to A$8.76 in early trade, their lowest since May 22
** Stock logs largest intraday pct loss since mid-August
** Australia's flag carrier trades ex-dividend
** Co declared final dividend of 19.8 AU cents per share
** Stock down 23.8% YTD, including the day's moves