** Shares of Scentre Group SCG.AX rise as much as 3.3% to A$4.130, their highest level since August 5, 2019
** Stock logs its highest intraday pct gain since July 1
** Property developer posts 93.7% rise in half-year profit after tax attributable to A$782.2 million ($508.27 million)
** Co also logs 2.9% increase in HY revenue to A$1.31 billion
** Stock up nearly 20% this year, including the day's move
($1 = 1.5389 Australian dollars)
(Reporting by Rajasik Mukherjee in Bengaluru)
((Rajasik.Mukherjee@thomsonreuters.com))