** Shares of Sprinter SIX.AX rise as much as 50% to A$0.09, their highest level since late-October 2021
** On track for best day since July 28
** The clean-air tech firm secures water purchase order with MW Techniek Systems B.V. for A$21.4 million ($14.37 million)
** Agreement for the supply of MW's compressor systems and associated PLC control systems
** About 11.3 million shares change hands, 41.7 times the 30-day avg
** Stock is up 44.3% YTD, including the session's moves
($1 = 1.4894 Australian dollars)
(Reporting by Anjali Singh in Bengaluru)
((anjali.singh2@thomsonreuters.com;))