(ShareCast News) - Petrofac: Goldman Sachs downgrades to neutral with a target of 909.8p.G4S: Jefferies downgrades to underperform with a target price of 170p.Cairn Energy: RBC keeps at outperform, 200p target.Wood Group: Goldman Sachs downgrades to sell, 517.6p target.Amec Foster Wheeler: Nomura downgrades to neutral with a 360p target and Goldman Sachs reiterates buy with a target of 517.1p.Astrazeneca: HSBC downgrades to hold, 4880p target.Ocado: Barclays keeps at neutral, 290p target.Anglo American: Citigroup reiterates sell with a target price of 200p.Rightmove: UBS keeps at buy with a target price of 4500p.Somero Enterprises: Finncap starts coverage with a corporate recommendation and a 185p target.Speedy Hire: Panmure reiterates buy, 70p target and Investec keeps at hold with a target of 35p.Randgold: Credit Suisse stays at neutral with a target price of 3900p.Tullow Oil: Investec keeps at sell, 80p target.