Advanced Medical Solutions: Peel Hunt upgrades to buy.Cairn Energy: UBS cuts target from 365p to 275p, neutral rating kept.Carnival: Jefferies maintains buy recommendation and 2,400p target.Carpetright: Peel Hunt keeps hold rating and 600p target.Cookson: Exane BNP Paribas cuts target from 780p to 700p, neutral rating kept.Domino Printing: Jefferies keeps hold rating and 580p target.DS Smith: Citigroup initiates coverage with buy rating and 195p target.ENRC: Goldman Sachs slashes target from 1,020p to 700p, buy rating kept.Falkland Oil & Gas: Jefferies keeps buy rating and 195p target; Merchant Securities increases target to 400p, buy rating kept.IMI: Exane BNP Paribas cuts target from 1,220p to 1,075p, outperform rating kept.Informa: Morgan Stanley downgrades to equal weight, target cut from 475p to 415p.Kier: HB Markets upgrades to buy.Ladbrokes: JP Morgan Cazenove upgrades to neutral, target lifted from 114p to 170p.Northgate: UBS upgrades from neutral to buy, 230p target unchanged.Ocado: Jefferies maintains hold rating and 80p target.Shire: Goldman Sachs cuts target from 2,800p to 2,450p, conviction buy rating kept; Credit Suisse cuts target from 2,350p to 2,000p, outperform rating kept; Societe Generale upgrades to buy, target cut from 2,310p to 2,192p; Berenberg upgrades to buy.Stagecoach: Jefferies retains hold recommendation and 240p target; Nomura keeps buy rating and 305p target.TalkTalk: JP Morgan Cazenove upgrades to neutral, target hiked from 132p to 170p.William Hill: JP Morgan Cazenove upgrades to overweight, target lifted from 228p to 330p.BC