** Shares of Australia's DroneShield DRO.AX rise as much as 16.3% to A$2.03, their biggest intraday pct gain since October 1
** Stock emerges as one of the top gainers on the broader ASX 200 benchmark index .AXJO, which is up 0.1%
** Counter-drone tech firm says got follow-on contract for A$5.2 million ($3.36 million) from an in-country European reseller required to distribute products to a European military customer
** Contract is for handheld counterdrone systems and associated accessories
** Stock has risen 158.2% this year, including moves from the current session
($1 = 1.5466 Australian dollars)
(Reporting by Roshan Thomas in Bengaluru)
((Roshan.Thomas@thomsonreuters.com))