** Shares of Australia's AGL Energy fall as much as 6.6% to A$10.42

** Stock is set for weakest trading session since early Feb, 2023 and hits lowest since Aug. 6

** Brokerage Baarenjoey lowers PT on co to A$11.2 from A$13.8, downgrades stock rating to "underweight" from "neutral"

** Reduces EPS forecasts in FY26-FY27 by 8%-13%, and by ~30% for FY28 and beyond

** Stock has risen 17.6% YTD, as of last close

(Reporting by Rishav Chatterjee in Bengaluru)

((Rishav.Chatterjee@thomsonreuters.com))