Monday broker round-up

G4S: JP Morgan upgrades to overweight with a target price of 125p.

Polypipe: Berenberg downgrades to hold with a target price of 480p.

Premier Oil: Berenberg reiterates hold with a target price of 40p.

Lamprell: Canaccord reiterates buy with a target price of 40p.

Charles Stanley: Canaccord upgrades to buy with a target price of 328p.

Morgan Advanced Materials: Citigroup reiterates buy with a target price of 290p.

Astrazeneca: Citigroup reiterates buy with a target price of 10,000p.

Unilever: Barclays reiterates equal weight with a target price of 4,310p.

JD Sports: RBC Capital Markets downgrades to underperform with a target price of 625p.

Kingfisher: RBC Capital Markets upgrades to outperform with a target price of 230p.

Anglo American: JP Morgan reiterates overweight with a target price of 2,650p.