** Shares of Integrated Research IRI.AX rise 7.7% to A$0.420, set for highest one-day pct gain since January 16

** Software firm receives renewed contract with JP Morgan Chase for $6.2 mln

** Says contract is a five-year binding agreement for co's Transact and Infrastructure product

** Stock rose to as high as A$0.450 earlier in the session, its highest level in a month

** 833,277 shares change hands, 4.3x the 30-day average

** Stock trims YTD loss to 6.7%, including current session's moves

(Reporting by Manasi Dasa in Bengaluru)

((Manasi.DasaSundeep@thomsonreuters.com;))