(Reuters) - European shares dipped lower in early trade on Thursday, as a drop in Daimler shares and lacklustre economic data from Asia as well as Europe, checked any gains from a handful of positive corporate updates.By 0819 GMT, the pan-European STOXX 600 index fell 0.2%, with German shares dropping 0.4%.Daimler slumped more than 3% after the German carmaker said tougher emissions rules will hit earnings in 2020 and 2021, forcing it to seek more than 1 billion euros in personnel cuts at..