Friday broker round-up UPDATE

Acal: N+1 Singer initiates with a target price of 380p and a buy recommendation.AstraZeneca: Societe Generale ups target price from 3030p to 3126p, but still recommends selling.Barratt Developments: Deutsche Bank raises target price from 394p to 480p keeping a buy recommendation.Beazley: Canaccord Genuity ups target price from 265p to 290p and retains a buy recommendation.GNK: Nomura raises target price from 585p to 846p and retains a neutral rating.G4S: JP Morgan lowers target price from 324p to 310p staying with its overweight rating.IMI: JP Morgan moves target price from 1660p to 1670p and retains an overweight rating. Berenberg reduces target price from 1600p to 1500p and keeps a hold recommendation.JD Wetherspoon: Nomura increases target price from 756p to 809p and reiterates its neutral rating.Johnson Matthey: JP Morgan reduces target price from 4040p to 3900p and reiterates an overweight rating.Marston's: Nomura ups target price from 116p to 143p, while downgrading to neutral.Mitchells & Butlers: Nomura increases target price from 390p to 540p upgrading to buy.Premier Oil: Exane shifts target price from 318p to 322p and keeps a neutral rating.Restaurant Group: Nomura raises target price from 568p to 670p and keeps a buy recommendation.Rotork: Berenberg ups target price from 2640p to 2665p and upgrades to buy.Smiths Group: Berenberg cuts target price from 1440p to 1355p and leaves its hold recommendation unaltered.Smith & Nephew: Credit Suisse raises target price from 810p to 865p retaining its neutral rating.Tate & Lyle: JP Morgan increases target price from 735p to 900p upgrading to overweight.Weir Group: Berenberg cuts target price from 2675p to 2570p staying with its buy recommendation.WPP Group: Nomura cuts target price from 1600p to 1575p, while staying with its buy recommendation. Wetherspoon (J.D) Astrazeneca Tate & Lyle Mitchells & Butlers Johnson Matthey Beazley Weir Group Smiths Group Rotork WPP IMI Marstons