Friday broker round-up

Aviva: SocGen upgrades to hold from sell.Aberdeen: UBS cuts target from 310p to 300p, buy rating unchanged.Associated British Foods: Nomura raises target from 1,375p to 1,400p, buy recommendation unchanged.AstraZeneca: Jefferies downgrades from buy to hold, target left at 2,975p.AVEVA: Berenberg upgrades to buy, target lifted from 1,660p to 1,927p.Babcock: HB Markets downgrades to hold.Barclays: Bernstein downgrades to market perform, target cut from 360p to 180p.Big Yellow Group: Bank of America ML downgrades to neutral, target lifted from 285p to 315p.Carillion: UBS downgrades to sell, target cut from 285p to 230p; Liberum Capital downgrades to sell, target cut from 270p to 235p, sell rating kept.Dunlem: UBS cuts target from 585p to 560p, buy rating kept.Intertek: Morgan Stanley downgrades to underweight, target raised from 2,510p to 2,740p.Ladbrokes: Davy Research downgrades to neutral.Lonmin: CIBC downgrades to sector performer, target cut from 1,250p to 735p.Marshalls: Northland Capital downgrades to hold, target cut from 110p to 85p.Sage: Berenberg upgrades to buy.Sainsbury: AlphaValue downgrades to reduce.Travis Perkins: Morgan Stanley downgrades to underweight, target cut from 1,260p to 1,050p.Wolseley: Morgan Stanley downgrades to equal weight, target cut from 2,700p to 2,540p.BC Astrazeneca Barclays Babcock Aviva Marshalls Sage Group Carillion Plc Dunelm Travis Perkins AB Foods Sainsbury's Big Yellow Intertek Group