** Shares of NRW Holdings slide 9%, set for their worst day since Sept 2021
** Stock hits session-low of to A$3.32, weakest since mid-Sept 2024
** Infrastructure contract services provider says CFO Richard Simons resigns; Names Alexander Hall interim CFO
** Simons was CFO since July 2022 and NRW stock more than doubled in that time, incl a 29% gain in 2024
(Reporting by John Biju in Bengaluru)
((John.Biju@thomsonreuters.com;))