Afren: JP Morgan Cazenove reiterates overweight.Avocet: Westhouse Securities upgrades to buy.Barclays: Goldman Sachs upgrades to neutral, target cut from 250p to 220p.BG Group: Credit Suisse downgrades from outperform to neutral, target cut from 1,660p to 1,500p.British American Tobacco: Investec ups target from 3,235p to 3,480p, hold rating kept.Britvic: Shore Capital upgrades to buy.Halfords: Investec cuts target from 310p to 225p, buy rating kept; Espirito Santo puts buy rating under review; Seymour Pierce upgrades to buy.Hiscox: RBC Capital Markets upgrades to sector performer, target lifted from 410p to 460p.IAG: Investec upgrades to buy, target lifted from 160p to 190p.Imperial Tobacco: Investec ups target from 2,660p to 2,730p, buy rating kept.Kingfisher: Investec puts target under review, hold rating kept.London Stock Exchange: Credit Suisse keeps outperform rating and 1,150p target.Mothercare: Investec puts target under review, sell rating kept.National Grid: HSBC upgrades to overweight, target upped from 740p to 770p.Next: UBS raises target from 3,250p to 3,500p, buy rating kept.Petrofac: UBS cuts target from 1,655p to 1,580p, neutral rating kept.RPS: Investec raises target from 260p to 270p, buy rating kept.RSA: Credit Suisse keeps neutral rating and 125p target.SEGRO: Investec ups target from 240p to 250p, buy recommendation maintained.Ultra Electronics: Goldman Sachs downgrades to neutral, target cut from 2,175p to 1,900p.Wood Group: UBS raises target from 810p to 850p, buy rating unchanged; Credit Suisse reiterates outperform rating and 925p target.BC