** Barclays jumps as much as 4.6% to its highestsince Feb 2
** Q1 revenue and profit before tax ahead of consensus
** On track to meet 2016 guidance for its core business of12.8 bln stg, and longer-term target of a group cost to incomeratio under 60%
** Citi calls results "solid"; reiterates "Buy" rating witha PT of 200p
** Stock top of both FTSE 100 and FTSE 350 BanksIndex (RM: aastha.agnihotri.thomsonreuters.com@reuters.net)