Tuesday broker round-up

3i Group: Oriel Securities downgrades to hold.AB Foods: HB Markets upgrades to buy.ARM Holdings: UBS raises target from 645p to 750p, buy rating kept.ASOS: Investec upgrades from hold to buy, 2,450p target kept.Bunzl: Goldman Sachs downgrades to sell, target cut from 978p to 965p.Burberry: Nomura downgrades to neutral, target cut from 1,450p to 1,201p; Seymour Pierce downgrades from buy to hold; Investec puts buy rating and target under review.Betfair: Investec ups target from 445p to 625p, sell rating kept.Cape: Northland Capital upgrades to reduce, target cut from 300p to 230p.Chariot Oil & Gas: Jefferies downgrades to hold, target cut from 185p to 36p; RBC Capital Markets downgrades to sector performer, target cut from 400p to 40p; Peel Hunt upgrades to hold; UBS cuts target from 215p to 70p, buy rating kept.Coastal Energy: Investec maintains buy rating and 1,406p target.Drax: Goldman Sachs upgrades to buy.ENRC: JPMorgan Cazenove upgrades to neutral, target cut from 430p to 420p.G4S: Jefferies keeps hold rating and 275p target.Hilton Food: Numis downgrades to hold, target cut from 316p to 290p; Investec puts buy rating and target under review.Huntsworth: Panmure Gordon downgrades to hold, target cut from 54p to 45p.IG Group: Numis upgrades to buy, target lifted from 539p to 542p.Morgan Sindall: Numis upgrades to buy.Morrisons: Goldman Sachs upgrades to sell, target lifted from 267p to 271p.Premier Farnell: Seymour Pierce downgrades to reduce, 170p target kept.Severn Trent: Goldman Sachs upgrades to neutral, target lifted from 1,755p to 1,896p.Taylor Wimpey: Goldman Sachs downgrades to neutral.BC