** Barclays down c1 pct after Bernstein andJefferies cut PTs, citing tough banking environment
** "This year's going to be a mess for banks," Bernsteinsays as it cuts PT to 180p from 255p (shares trading at 172p);rating "market-perform"
** Jefferies reduces PT to 287p from 357p; rating "buy"
** Brokerage trims 2015-17E PBT estimates for BarclaysAfrica by 19 pct on the back of lower growth and higher creditlosses
** Jefferies believes it's unlikely that BARC will be ableto sustain ordinary dividend pay-outs in 2016 & 2017
** Stock top loser on FTSE 350 Banks Index,which is almost flat (RM: aastha.agnihotri.thomsonreuters.com@reuters.net)