** Shares of DGL Group down 7.5% to A$0.555, on track for worst session since Sept. 26, if current losses hold

** Speciality chemicals firm expects net profit to be lower in the current first half than the year-earlier period

** Says it expects a modest increase in revenue and gross margin for the half year

** Stock down 33.9% YTD, including day's moves

(Reporting by Sherin Sunny in Bengaluru)

((Sherin.Sunny@thomsonreuters.com))