** Shares of Omni Bridgeway OBL.AX rise as much as 8.7% to A$1.69, their highest level since May 21

** Corporate financial services provider firm reports FY net profit attributable surges 500% to A$349.8 million ($227.30 million) despite 18% revenue drop to A$68 million

** About 221,290 shares traded, 1.6x 30-day average

** Stock up 9.7% YTD, including session's moves

($1 = 1.5389 Australian dollars)

(Reporting by Ananya Verma in Bengaluru)

((ananya.verma@thomsonreuters.com;))