June 4 (Reuters) - ** Shares of DroneShield DRO.AX up 10.4% at A$1.545
** Earlier in the session, it rose as much as 14.3% to A$1.60, its highest level since late July 2024
** Britain on Monday pledged the largest sustained increase in defense spending since the end of the Cold War
** The UK contributed 10% to the counterdrone solution provider's first-quarter revenue, according to its results in April
** Stock extends gains to a second session
** Stock up ~102% so far this year, including the day's move
($1 = 0.7393 pounds)
(Reporting by Anjali Singh)
((anjali.singh2@thomsonreuters.com;))