Friday broker round-up UPDATE

Aggreko: Panmure Gordon raises target price fro, 1727p to 2106p and upgrades from hold to buy.Alternative Networks: Westhouse Securities moves target price from 280p to 295p and reiterates a neutral rating. Investec raises target price from 330p to 350p maintaining a buy recommendation. Finncap increases target price from 280p to 350p and retains a buy recommendation.Ashmore Group: Citigroup ups target price from 355p to 410p keeping a neutral rating. JP Morgan lowers target price from 413p to 410p, while its neutral rating remains unchanged. Jefferies raises target price from 435p to 490p and maintains a buy recommendation. HB Markets downgrades to hold. Societe Generale ups target price from 420p to 455p maintaining a buy recommendation.Aviva: JP Morgan cuts target price from 443p to 393p, while leaving its overweight rating unaltered.BAE Systems: JP Morgan shifts target price from 360p to 365p, while downgrading from neutral to underweight.Botswana Diamonds: HB Markets initiates with a speculative buy.BP: Investec reduces target price from 495p to 425p and downgrades to hold.Burberry: JP Morgan raises target price from 1270p to 1320p, while its neutral rating remains unchanged.Cobham: JP Morgan shifts target price from 245p to 255p and stays with a neutral rating.Debenhams: Cantor Fitzgerald lowers target price from 80p to 70p and downgrades to sell. Panmure Gordon shifts target price from 90p to 88p keeping a hold recommendation.GlaxoSmithKline: Societe Generale raises target price from 1810p to 1900p retaining a buy recommendation.Global Energy Developments: Northland Securities reduces target price from 214p to 186p, while retaining its buy recommendation.Hays: Credit Suisse shifts target price from 95p to 99p and maintains its neutral rating. JP Morgan moves target price from 88p to 90.40p and retains a neutral rating. Panmure Gordon ups target price from 84p to 96p, while its hold recommendation remains unchanged.HSBC Holdings: Liberum Capital shifts target price from 665p to 650p and downgrades to hold.Informa: Jefferies reduces target price from 580p to 510p downgrading to hold.Legal and General Group: JP Morgan takes target price from 144p to 151p, but downgrades to underweight.Marks & Spencer: Citigroup raises target price from 360p to 400p reiterating a neutral rating. Cantor Fitzgerald downgrades to sell with a target price of 350p. Societe Generale shifts target price from 468p to 472p and reiterates a buy recommendation.Matchtech Group: Cantor Fitzgerald ups target price from 300p to 340p, but downgrades to hold.National Grid: Citigroup increases target price from 680p to 820p, while maintaining a neutral rating.Northbridge: Westhouse Securities takes target price from 350p to 400p maintaining a buy recommendation.Pearson: Jefferies cuts target price from 1290p to 1240p reiterating a hold recommendation.Phoenix Group: JP Morgan reduces target price from 941p to 915p and retains an overweight rating.Prudential: JP Morgan increases target price from 781p to 836p keeping an underweight rating.Reed Elsevier: Jefferies cuts target price from 760p to 700p and downgrades to hold.Rentokil Initial: Goldman Sachs downgrades to neutral with a target price of 111p.Resolution: JP Morgan ups target price from 257p to 273p and upgrades to neutral.Royal Durch Shell: Investec raises target price from 2168p to 2550p and upgrades to buy.SAB Miller: Societe Generale increases target price from 2970p to 3590p, while staying with its hold recommendation.Sports Direct International: Cantor Fitzgerald reduces target price from 460p to 440p downgrading to hold.Standard Chartered: Citigroup reduces target price from 2000p to 1900p and retains its buy recommendation.Standard Life: JP Morgan takes target price from 349p to 380p and maintains an overweight rating.St James's Place: JP Morgan raises target price from 531p to 560p and reiterates an overweight rating.Tate & Lyle: Credit Suisse Credit moves target price from 845p to 930p, while leaving its outperform rating unchanged.Tesco: Deutsche Bank takes target price from 394p to 440p reiterating a buy recommendation.William Hill: Deutsche Bank cuts target price from 436p to 422p and downgrades from buy to hold.Wolfson Microelectronics: Numis increases target price from 210p to 230p and upgrades to buy.Xcite Energy: Sanlam Securities raises target price from 167p to 204p keeping its buy recommendation.XP Power: Investec reduces target price from 1365p to 1330p, while maintaining its buy recommendation.