** Shares of FBR FBR.AX up 20% to A$0.006
** Earlier in the session, stock rose as much as 40%, hitting its highest level since May 12
** Robotic tech firm signs memorandum of understanding with Habitat (NT) Pty Ltd for sale of Hadrian units - mobile robotic machines
** Co says initial purchase order for one unit is A$7.8 million ($5.08 million)
** Stock marks its biggest intraday gain since Nov. 3, 2021
** Stock down 87.5% this year, including the day's move
($1 = 1.5354 Australian dollars)
(Reporting by Rajasik Mukherjee in Bengaluru)
((Rajasik.Mukherjee@thomsonreuters.com))