** Shares in Stroeer SAXG.DE fall 5.9% in pre-market trade after the German advertising group cut its FY forecast, citing an impact on the advertising market from persistent geopolitical and economic uncertainties
** Stroeer now expects FY revenue and EBITDA to remain flat year-on-year, compared to its previous guidance of mid-single-digit growth
** "No complete surprise following ProsiebenSat PSMGn.DE warning, still negative," a local trader says
** The stock, which has lost 15% YTD, is seen at the bottom of Germany's mid-cap index .MDAXI
(Reporting by Ozan Ergenay)
((ozan.ergenay@thomsonreuters.com))