** 4DS Memory 4DS.AX plummets as much as 71.4% to record low of A$0.008; marks biggest intraday pct loss since August 2022
** Semiconductor developer ends collaborations with Imec and Infineon amid tech strategy review
** Says co's memory technology offerings faces challenges
** Adds developing co's offerings would demand greater time, capital without certainty of achieving global performance benchmarks
** About 105.6 million shares traded - 29.3x the 30-day avg - in stock's busiest session since August 23, 2023
** 4DS last down ~66%, takes YTD losses to ~81%
(Reporting by Ananya Verma in Bengaluru)
((ananya.verma@thomsonreuters.com;))