Tuesday broker round-up

(Sharecast News) - Elementis: Berenberg upgrades to buy with a target price of 315p.Card Factory: Berenberg downgrades to sell with a target price of 150p.Cineworld Group: Berenberg reiterates buy with a target price of 340p.BHP Billiton: Citigroup reiterates buy with a target price of 1,900p.Brewin Dolphin Holdings: Liberum reiterates buy with a target price of 481p.Royal Mail: Liberum reiterates sell with a target price of 415p.SIG: Liberum reiterates buy with a target price of 157p.Mears Group: Peel Hunt upgrades to buy with a target price of 500p.Antofagasta: Peel Hunt reiterates hold with a target price of 1,051p.Faroe Petroleum: Peel Hunt reiterates buy with a target price of 174p.Spectris: Peel Hunt upgrades to add with a target price of 2,825p.JPJ: Canaccord reiterates buy with a target price of 1,200p.Polypipe: Numis reiterates add with a target price of 450p.Capital & Regional: Numis reiterates buy with a target price of 72p.Motif Bio: Northland Capital Markets reiterates buy with a target price of 116p.Bodycote: Berenberg reiterates buy with a target price of 1,120p. SIG Bodycote Mears Antofagasta Elementis Card Factory