Thursday broker round-up

ARM Holdings: Investec maintains buy rating and 800p target.Ashtead: Jefferies ups target from 300p to 320p, buy rating retained.Bellway: Goldman Sachs downgrades to neutral.British Land: Societe Generale downgrades to sell.CRH: HSBC upgrades to overweight.Dignity: Goldman Sachs downgrades to neutral.Dixons Retail: Investec keeps buy rating and 20p target.GKN: Panmure Gordon upgrades to buy.Go-Ahead: Investec cuts target from 1,400p to 1,360p, buy rating kept; Jefferies keeps hold rating and 1,220p target.Great Portland Estates: Societe Generale downgrades to sell.Hammerson: AlphaValue downgrades from add to reduce.Imagination Tech: Numis upgrades to buy.IMI: Panmure Gordon upgrades to buy.Immunodiagnostic Systems: Canaccord Genuity keeps hold rating and 412p target.Land Securities: Societe Generale downgrades to sell.Micro Focus: Merchant Securities initiates coverage with buy rating and 530p target; Investec maintains buy rating and 520p target.PayPoint: Numis downgrades to sell.Restaurant Group: Jefferies maintains buy recommendation and 340p target.Sage: UBS raises target from 290p to 295p, buy rating unchanged.Spectris: Panmure Gordon upgrades to buy.Unilever: Investec raises target from 2,100p to 2,160p, hold recommendation maintained.Weir Group: Panmure Gordon upgrades to buy.Whitbread: AlphaValue downgrades from reduce to sell.Wood Group: HSBC upgrades to neutral.WPP: Jefferies reiterates underperform rating and 680p target; Investec cuts target from 830p to 800p, hold rating kept.BC British Land Unilever Paypoint Sage Group Bellway Land Securities Weir Group Hammerson Whitbread WPP IMI