** Shares of Challenger CGF.AX fall as much as 6.6% to A$7.84, hitting their lowest level since March 23
** Stock set for its worst intraday trading session since February 9, if losses hold
** The investment management firm reports a 10% decrease in quarterly funds management FUM to A$104.5 billion ($74.94 billion)
** Company tightened its FY26 normalised basic EPS guidance to between 66 Australian cents and 70 Australian cents per share
** Stock down nearly 13% YTD, including the day's moves
($1 = 1.3945 Australian dollars)
(Reporting by Shivangi Lahiri in Bengaluru)
((shivangi.lahiri@thomsonreuters.com))