** Shares in German and Swiss banks fall in pre-market trade after U.S President Donald Trump's tariffs took effect, including 104% levies on China
** Germany's Deutsche Bank DBKGn.DE, Deutsche Pfandbriefbank PBBG.DE and Commerzbank CBKG.DE are down between 4.3% and 4.8% in early Frankfurt trade
** Switzerland's Julius Baer BAER.S and UBS UBSG.S fall 4.3% and 5.1%, respectively, in Swiss pre-market indications
** Commerzbank slipped 3% and Deutsche Bank lost 16% over the past four trading sessions from April 2 close, before the tariffs were announced
(Reporting by Ozan Ergenay)
((ozan.ergenay@thomsonreuters.com))