UPDATE: Friday broker round-up

Renishaw: finnCap downgrades from buy to hold, cuts target from 1,775p to 940p.Renishaw: UBS slashes target from 1,350p to 900p, neutral recommendation maintained.Renishaw: Singer Capital Markets slashes target from 1,350p to 900p, fair value rating kept.Royal Bank of Scotland: Evolution Securities reiterates buy recommendation and 40p target.Sportingbet: Investec places 35p target under review, sell rating kept.Sportingbet: Peel Hunt puts target of 54p and recommendation under review.Home Retail: Panmure Gordon reiterates sell rating and 95p target.Ashmore: Singer Capital Markets cuts target from 495p to 445p, buy rating kept.Kingfisher: Oriel Securities downgrades to reduce from hold.Ferrexpo: UBS upgrades from neutral to buy, target cut from 500p to 440p.ASOS: Singer Capital Markets keeps buy stance and 2,000p target.ASOS: Investec put hold rating and 2,020p target under review.Diageo: Investec reiterates hold rating and 1,375p target.African Minerals: Investec keeps buy stance and 767p target.UBM: Investec keeps buy stance and 694p target.AVEVA: Panmure Gordon keeps buy rating.AVEVA: Singer Capital Markets keeps fair value rating and 1,500p target.AVEVA: Investec maintains buy and 1,800p target.Booker: Singer Capital Markets ups target rom 65p to 70p, fair value rating maintained.Computacenter: Investec reiterates buy recommendation and 500p target.Computacenter: Panmure Gordon reduces target from 494p to 482p, buy rating kept.Bowleven: Evolution Securities cuts target from 400p to 225p, maintains buy rating.Argos Resources: Evolution Securities raises target from 52p to 79p, buy rating kept.