** Mirrabooka Investments up 1.8% to A$3.45, highest since Dec. 5, 2024
** Investment manager declares interim dividend of 4.5 Australian cents, up 0.5 Australian cents from a year ago
** Reports half-yearly profit of A$4.6 mln ($2.9 mln), in line with the year before
** Stock set for biggest one-day pct rise since Dec. 12, 2024
** Mirrabooka up 2.4% YTD
($1 = A$1.6049)
(Reporting by Nikita Maria Jino in Bengaluru)
((Nikita.Jino@thomsonreuters.com;))