Thursday broker round-up

3i Group: Citigroup upgrades to buy, target lifted from 215p to 220p.Abcam: Investec upgrades to buy, target lifted from 349p to 466p; Peel Hunt raises target from 440p to 480p, buy rating unchanged.bwin.party: UBS cuts target from 165p to 125p, neutral rating unchanged.Cookson: UBS cuts target from 675p to 200p, neutral rating kept.Debenhams: Peel Hunt keeps buy rating and 95p target.Diageo: RBS Capital Markets initiates coverage with outperform rating and 1,900p target.DS Smith: Investec cuts target from 190p to 170p, buy rating kept.Greene King: Peel Hunt keeps buy rating and 617p target.Hargreaves Lansdown: Peel Hunt keeps hold rating and 450p target.IMI: UBS cuts target from 950p to 850p, neutral rating kept.Ladbrokes: Peel Hunt downgrades from buy to hold, target left at 180p.Lloyds: Investec maintains buy rating and 40p target.Millennium & Copthorne : Morgan Stanley upgrades to overweight, target lifted from 540p to 630p.Morgan Sindall: Liberum Capital downgrades to hold.Northgate: UBS raises target from 230p to 245p, buy recommendation unchanged.Polymetal: UBS downgrades from buy to neutral, target cut from 1,060p to 970p.Reckitt Benckiser: RBS Capital Markets initiates coverage with underperform rating and 3,200p target; Credit Suisse downgrades to neutral, target cut from 3,800p to 3,500p.SABMiller: RBS Capital Markets initiates coverage with sector performer rating and 2,800p target.Spectris: UBS cuts target from 1,900p to 1,650p, buy rating unchanged. Spirax-Sarco: UBS cuts target from 2,100p to 2,000p, neutral rating kept.Standard Chartered: UBS cuts target from 1,800p to 1,750p, buy rating kept; HB Markets downgrades to hold.Tesco: Numis puts buy rating under review.Yule Catto: UBS cuts target from 260p to 177p, buy rating kept; Peel Hunt cuts target from 260p to 185p, buy rating unchanged; HB Markets downgrades to sell; Deutsche Bank downgrades to hold.BC Tesco Lloyds Morgan Sindall Group Smith (DS) Standard Chartered Diageo IMI 3i Group Spirax-Sarco