** Shares of Austco Healthcare AHC.AX rise 9.8% to A$0.28, their biggest intraday percent gain since April 10
** The healthcare co's unit has secured a contract with Angeles Health System in Mexico valued at about A$3.4 million ($2.16 million)
** Contract for unit to supply and implement advanced nurse call and infant protection systems in hospitals
**YTD, shares up 1.8%
($1 = 1.5753 Australian dollars)
(Reporting by Nichiket Sunil in Bengaluru)
((Nichiket.Sunil@thomsonreuters.com))