BUZZ-Lancashire: shares lifted by strong Q1
** Property and casualty insurer +6.7 pct
** Q1 pretax profit at $42.4 mln vs $28.7 mln a year earlier; Q1 combined ratio improved to 65.2 pct from 85.6 pct
** Lancashire, whose 2017 results were marred by losses from natural disasters, says Q1 results helped by a relatively benign loss quarter
** RBC Capital, which has a "sector-perform" rating on stock, says it is good to see Lancashire back to producing strong combined ratios after a difficult 2017
** Shares (Berlin: DI6.BE - news) touch highest since Feb 9 -- when it reported FY17 loss