Updates
** Australia's Dyno Nobel DNL.AX rises as much as 3.1% to A$2.650, highest since March 28; stock currently up 2.1%
** Melbourne-based Ridley RIC.AX to buy mining service provider's fertiliser distribution business for A$300 mln ($192.7 mln)
** Dyno Nobel to resume its A$900 on-market share buyback program on May 13, it says
** DNL reports 105% y/y jump in HY net profit attributable to A$7.4 million
** DNL delivered resilient results considering site closures, separation of fertiliser business and impairment while juggling weather impact - Citi
** Citi maintains "Neutral" at A$2.45 PT
** DNL down 10.4% YTD, RIC down 13.7%
($1 = A$1.5569)
(Reporting by Nichiket Sunil and Kumar Tanishk in Bengaluru)
((Nichiket.Sunil@thomsonreuters.com;))