If you want to check a specific stock for berlin listing\ volume you can get a yahoo quote or a yahoo chart on the sybol.be. For example to check berlin stock exchange volume on OMNI for last six months: <A HREF="http://finance.yahoo.com/q/bc?s=OMNI.BE&t=6m" target="_blank">http://finance.yahoo.com/q/bc?s=OMNI.BE&t=6m</A>