Broker Roundup Update: Citigroup negative on Tesco

 * Citigroup has a buy and £27 target for BHP Billiton, a buy and £13.75 target for GlaxoSmithKline, a sell and 400p target for Tesco, a hold and 670p target for Burberry and a hold and 156p target for Safestore

 * Numis upgrades Mouchel to add from hold with a 175p target and has a buy and 400p target for Partygaming

 * Finncap has a buy and 250p target for BTG and a buy and 120p target for Vectura

 * Westhouse Securities has a buy and 34p target for Encore Oil

 * Shore Capital has a buy for AstraZeneca

 * Seymour Pierce has an outperform and £11.55 target for Aggreko, downgrades BP to hold from buy, downgrades Game Group to hold from buy, has a buy and 275p target for Premier Farnell and a buy and 800p target for Valiant Petroleum

 *Panmure Gordon has a hold and 88p target for Ashtead, a hold and 750p target for Capita, downgrades Fuller Smith to hold from buy, raising target to 620p from 614p, has a buy for Mouchel, cutting target to 190p from 210p, a buy and 730p target for WS Atkins and a buy and 60p target for PVCrystalox Solar

 * Canaccord has a buy for Centamin Egypt, raising target to 200p from 185p

 * ING has a hold for Sainsbury

 * RBS has a buy and 260p target for Filtrona