Monday broker round-up

Tullow Oil: Berenberg upgrades to buy with a target price of 240p.

Fevertree Drinks: Berenberg reiterates buy with a target price of 3,250p.

AG BARR: Berenberg reiterates hold with a target price of 550p.

Kosmos Energy: Berenberg reiterates buy with a target price of 805p.

Ultra Electronics Holdings: Berenberg downgrades to hold with a target price of 2,200p.

BAE Systems: Barclays reiterates buy with a target price of 685p.

BHP Billiton: JP Morgan upgrades to neutral with a target price of 1,980p.

WPP: JP Morgan reiterates overweight with a target price of 1,125p.

UDG Healthcare: RBC Capital Markets downgrades to sector performer with a target price of 800p.

Hammerson: RBC Capital Markets upgrades to outperform with a target price of 290p.