** Shares of Origin Energy ORG.AX rise as much as 8.1% to A$11.97 in early trade, hitting their highest point since January 28
** Stock logs its largest intraday pct gain since February 22, 2023
** The power producer logs half-year underlying profit of A$593 million ($422.33 million), above Visible Alpha estimate of A$577.9 million
** Co also upgraded full-year outlook for its Energy Markets unit to A$1.55 billion-A$1.75 billion vs previous forecast of A$1.40 billion-A$1.70 billion
** Midpoint of new forecast higher than Visible Alpha estimate of A$1.62 billion
** Stock marginally up 0.8% YTD, including the day's moves
($1 = 1.4041 Australian dollars)
(Reporting by Nikita Maria Jino in Bengaluru)
((Nikita.Jino@thomsonreuters.com;))