Wednesday broker round-up - UDPATE

AMEC: Seymour Pierce keeps buy rating and 1,250p target; Investec keeps buy rating and 1,300p target.Babcock: Panmure Gordon keeps hold rating and 940p target.Barclays: Nomura keeps reduce rating and 210p target.BP: Jefferies keeps hold rating and 450p target.Chariot Oil & Gas: Seymour Pierce keeps hold rating.Dairy Crest: Panmure Gordon keeps buy rating and 385p target.FirstGroup: Jefferies keeps hold rating and 270p target.G4S: Panmure Gordon keeps hold rating and 262p target.GKN: Credit Suisse keeps outperform rating and 255p target; Societe Generale initiates coverage with hold rating and 220p target.IMI: Societe Generale initiates coverage with buy rating and 1,080p target.Imperial Tobacco: Credit Suisse keeps outperform rating and 2,700p target.Interior Services: Panmure Gordon upgrades from hold to buy, target lifted from 112p to 170p.Lonmin: Credit Suisse upgrades from underperform to neutral, 525p target kept; Deutsche Bank upgrades to hold, target lighted from 445p to 490p.Mondi: Jefferies raises target from 700p to 760p, buy rating kept.Next: Seymour Pierce ups target from 3,350p to 3,500p, hold rating kept; Panmure Gordon keeps hold rating and 3,770p target; Investec keeps hold rating and 3,680p target.Pearson: Panmure Gordon cuts target from 1,300p to 1,125p, hold rating kept.Regus: Jefferies keeps buy rating and 130p target.Smiths Group: Societe Generale initiates coverage with sell rating and 940p target.St James's Place: Panmure Gordon keeps buy rating and 425p target; Investec keeps buy rating and 412p target.Standard Life: Panmure Gordon keeps buy rating and 325p target; Investec puts 279p target under review, buy rating kept; Nomura keeps reduce rating and 260p target.UBM: Investec keeps buy rating and 745p target.Volex: Jefferies keeps buy rating and 240p target; Investec upgrades from hold to buy, target cut from 240p to 225p.WANdisco: Panmure Gordon keeps buy rating and 459p target.Weir: Societe Generale initiates coverage with sell rating and 1,635p target.William Hill: Jefferies keeps buy rating and 370p target.Wolsley: Jefferies downgrades from hold to underperform, target cut from 2,300p to 2,340p.