** British newspaper publisher Trinity Mirror downc.5 pct, one of the top percentage losers on the LSE
** Sees an 11 pct drop in H1 revenue as print advertisingmarkets continued to remain challenging
** Cost saving target has been increased to 20 mln stg from10 mln stg
** Barclays cuts TP to 160p from 185p, saying more savingsimplies more risks for future progress
** Trinity Mirror, which owns the Daily Mirror and SundayMirror titles, has been embroiled in the high-profile celebrityphone-hacking scandal (RM: aastha.agnihotri.thomsonreuters.com@reuters.net)