Tuesday broker round-up

(ShareCast News) - Aviva: Goldman Sachs reiterates buy with a target price of 480p.Antofagasta: RBC maintains sector perform with a 500p target.Informa: Numis reiterates buy with a 845p target.Astrazeneca: JP Morgan stays at neutral with a 4900p target.Topps Tiles: Berenberg reiterates hold with a target price of 125p.Melrose: Numis reiterates hold with a target price of 155p.Meggitt: JP Morgan keeps at neutral with a 445p target.Relx: Credit Suisse reiterates neutral with a target of 1370p.JLT Group: JP Morgan stays at neutral with a 850p target.Mothercare: Berenberg reiterates sell, 100p target.Ocado: Numis stays at buy with a 400p target.