** Shares of Green360 Technologies GT3.AX rise as much as 8.3% to A$0.039 in early trade, their largest intraday pct gain since May 5
** The building materials firm says its unit executes MoU with global construction materials maker Holcim's HOLN.S Australian subsidiary
** Says agreement for the supply of company's Eco-Clay cement replacement product for Holcim's concrete operations across Victoria state
** Adds up to 4,800 tons of Eco-Clay to be supplied over an initial 12-month period
** More than 1.6 million shares change hands, 2.4 times the 30-day average
** Stock down 3.9% YTD, including the day's moves
(Reporting by Nikita Maria Jino in Bengaluru)
((Nikita.Jino@thomsonreuters.com;))