** Shares of ASX Ltd ASX.AX fall as much as 6.3% to A$52.81 in early trade, their largest intraday pct fall since mid-December 2025
** Stock hits lowest level since January 28
** ASX after-market hours on Tuesday said CEO and MD Helen Lofthouse will step down in May after 11 years at the bourse operator
** Lofthouse's departure comes as ASX prepares to deliver first phase of its delayed CHESS project, for clearing, settling, and recording ownership of shares, due in April
** Stock up 3.7% YTD, including the day's moves
(Reporting by Nikita Maria Jino in Bengaluru)
((Nikita.Jino@thomsonreuters.com))