Friday broker round-up

(Sharecast News) - Thomas Cook: Citigroup downgrades to sell with a target price of 28p.Homeserve: Berenberg reiterates buy with a target price of 1,250p.Eckoh: Berenberg downgrades to hold with a target price of 45p.Tesco: Barclays reiterates overweight with a target price of 280p.G4S: Deutsche Bank initiates at hold with a target price of 200p.National Grid: Deutsche Bank reiterates hold with a target price of 860p.Just Group: Deutsche Bank reiterates hold with a target price of 77p.Sophos Group: Deutsche Bank reiterates hold with a target price of 360p.easyjet: RBC Capital Markets reiterates outperform with a target price of 1,300p.Eurocell: Canaccord reiterates buy with a target price of 265p.Premier Oil: Canaccord reiterates buy with a target price of 145p.Menzies: Peel Hunt reiterates buy with a target price of 1,100p. Tesco National Grid easyJet