Australia's Desoto Resources rises on gold find at Guinea site
** Desoto Resources DES.AX rises 4.9% to A$0.215, highest since August 19 ** Gold and battery-metal explorer says initial sampling, trenching tests at Dadjan and Tole gold projects in Guinea indicate presence of high-grade gold ** YTD, DES surges 186.7% (Reporting by Shruti Agarwal in Bengaluru) ((Shruti.Agarwal@thomsonreuters.com))