** Shares of Stealth Group SGI.AX rise 15.3%
** Stock had risen 24.8% to a record high of A$0.894 earlier in the session
** Industrial distribution group announces upcoming launch of RIVO, its own-label consumer brand to deliver essential products
** Says, brand's rollout to commence through high-traffic convenience retail channels including Big W and 7-Eleven
** 728,581 shares change hands, 2.4x the 30-day average of 309,527 shares
** Stock up 97.7% YTD, including current session's moves
(Reporting by Manasi Dasa in Bengaluru)
((Manasi.DasaSundeep@thomsonreuters.com;))