Broker roundup: Citigroup upgrades Henderson and Hiscox

 * Citigroup upgrades Henderson Group to hold from sell, upgrades Hiscox to hold from sell with a 325p target and has a buy for Tullow Oil, raising the target to £12.50 from £11.90.

 * RBS upgrades Henderson to buy from hold.

 * HSBC has a neutral for Admiral Group, raising the target to £11 from £10.70.

 * ING upgrades Omega Pharma to buy from hold.

 * Astaire has a hold for Restaurant Group, downgrades Smith & Nephew to hold from buy with a 525p target, and maintains buy for Genus.

 * Jefferies downgrades Premier Oil to hold from buy on valuation grounds, raising the target to £13.50 from £11.50, has Afren as its top pick, has an underperform for Aegis and a hold for Dana Petroleum.

 * UBS downgrades McKay to neutral from buy; downgrades Computacenter to neutral from buy; upgrades Mondi to buy from neutral; upgrades Ipsos to buy from neutral; has a buy for Britvic, raising target to 400p from 330p; a neutral for Segro, raising the target to 350p from 230p; a buy for Spectris, raising the target to 800p from 650p; a neutral for Filtrona, raising its target to 170p from 125p; a neutral for Diageo, raising the target to 980p from 940p; and a neutral for C&C, raising the target to €2.7 from €2.2.

 * Goldman Sachs upgrades Gem Diamonds to neutral from sell; has a buy for Kazakhmys, raising the target to £15 from £14.55; downgrades William Hill to neutral from buy; and downgrades Regus to neutral from buy.

 * Nomura downgrades Rambler Media to reduce from neutral; has a buy for BAE Systems, cutting the target to 450p from 475p; has a neutral for C&C, raising its target to €2.4 from €2.3; has a buy for Diageo, raising the target to £11 from £10.40; and reinstates Segro with a neutral and 325p target.

 * JP Morgan has an overweight for Arriva, raising the target to 626p from 545p; and has a neutral on WPP Group, raising the target to 500p from 450p.