Friday broker round-up

(Sharecast News) - SafeChange International Group: Berenberg downgrades to hold with a target price of 436p.Royal Dutch Shell: Jefferies reiterates buy with a target price of 3,000p.Serco: Liberum upgrades to buy with a target price of 150p.AstraZeneca: Barclays reiterates overweight with a target price of 7,200p.Tate & Lyle: Barclays reiterates overweight with a target price of 850p.John Wood: Barclays reiterates underweight with a target price of 600p.Royal Mail: Liberum upgrades to hold with a target price of 185p.Diageo: Deutsche Bank reiterates hold with a target price of 3,450p.Mitchells & Butlers: Liberum upgrades to buy with a target price of 340p.National Grid: JP Morgan reiterates overweight with a target price of 960p.Hunting: JP Morgan reiterates overweight with a target price of 728p.Marks & Spencer Group: JP Morgan reiterates underweight with a target price of 230p.Brooks Macdonald Group: RBC Capital Market reiterates sector perform with a target price of 1,985p.Vodafone: HSBC upgrades to buy with a target price of 160p.Quilter: RBC Capital Markets reiterates outperform with a target price of 175p.Trifast: Shore Capital Markets downgrades to hold with a target price of 240p.Informa: Shore Capital Markets downgrades to hold with a target price of 801p.Sanne Group: Liberum downgrades to hold with a target price of 705p.Royal Mail: Liberum upgrades to hold with a target price of 185p.