** Shares of Mach7 Technologies M7T.AX up 8.5% at A$0.77,
set for best day since July 13 if gains hold
** Medical equipment co signs five-year contract extension
with the Hospital Authority of Hong Kong for support and
maintenance
** Mach7 says value of extension A$15.26 mln ($9.72 mln),
with a recurring revenue value of A$12.36 mln
** M7T stock at its highest level since Sept. 12
** Stock up 24.5% YTD, as of last close
($1 = 1.5704 Australian dollars)
(Reporting by Ayushman Ojha in Bengaluru)
((Ayushman.ojha@thomsonreuters.com;))