** Shares of Australia's MyEco Group MCO.AX rise as much as 17.7% to A$0.02, their biggest intraday pct gain since January 15

** Sustainable packaging materials manufacturer says Q2 FY26 total sales A$4 million ($2.82 million), up 7.4% QoQ

** Says achieved all-time record quarterly sales of MyEcoBag products of A$1.7 million in the second quarter, up 68% QoQ

** Stock last up 11.8% with YTD gains of 58.3%

($1 = 1.4207 Australian dollars)

(Reporting by Sneha Kumar in Bengaluru)

((Sneha.kumar@thomsonreuters.com;))