Friday broker round-up

(ShareCast News) - Anglo American: Citi upgrades to neutral.Ashmore: Jefferies reiterates buy but shaves target price to 373.5p, Cannacord reiterates hold.Aviva: Barclays reiterates neutral stance and nudges target to 637p from 632p, Berenberg keeps at sell.BaE Systems: Berenberg upgrades to buy and bumps target to 570p from 530p.Barclays: Credit Suisse reiterates neutral with 250p target.BHP Billiton: Citi upgrades to buy.Brewin Dolphin: Panmure Gordon ups target to 350p from 300p while staying at buy.Centamin: Canaccord Genuity lifts recommendation to buy with 75p target, up from 70p previously.Dignity: Berenberg raises target to 2260p from 1850p.Glencore: Citi upgrades to hold.Halfords: UBS keeps view at neutral, moves target to 530p from 485p.Hays: Morgan Stanley raises target to 182p from 178p and reiterates overweight.