** Shares of Australia's Redox RDX.AX rise as much as 5.8% to A$2.92, in their biggest intraday pct gain in six months
** Stock touches highest level since February 12, 2026
** Raw materials distributor posts HY profit after tax attributable of A$43.8 million ($30.91 million), up 8.9% from a year earlier
** Co logs HY revenue of A$673.6 million, up 6.6% from a year earlier
** Adds, declares interim dividend of 6.5 Australian cents apiece
** Despite moves, RDX down 5.6% YTD
($1 = 1.4170 Australian dollars)
(Reporting by Aamir Sheik Khalid in Bengaluru)
((Aamir.SheikKhalid@thomsonreuters.com))