Monday broker round-up

(ShareCast News) - ARM Holdings: JP Morgan downgrades to underweight and lowers target to 900p from 950p; Exane reiterates outperform with 1,400p target.AstraZeneca: Goldman Sachs stays at neutral and Jefferies at buy.British American Tobacco: Nomura starts coverage at buy with 3,920p target.Burberry Group: Goldman Sachs keeps at buy and RBC Capital at neutral.Experian: Nomura upgrades to buy and keeps target at 640p.IAG: UBS upgrades to buy and raises target to 700p from 580p.Marks&Spencer: Deutsche Bank reiterates buy and nudges target higher to 600p from 580p.Next: Deutsche Bank reiterates hold and lifts target to 7,100p from 6,950p.Stagecoach: JP Morgan Cazenove downgrades to neutral and shaves target to 405p from 423p.