Broker roundup update: Collins Stewart negative on PartyGaming

 * Collins Stewart has a sell for PartyGaming with a 120p target, a buy and 180p target for Chesnara and a hold and 35p target for Direct Wonen.

 * FinnCap has buy for Melrose and Chesnara, a buy and 250p target for BTG Group and a hold for Marshalls.

 * Morgan Stanley has an overweight and £11 target for Diageo, and an equal weight for Bunzl.

 * Citigroup has a hold and £10.20 target for Diageo, a buy and 500p target for Hikma Pharmaceuticals, a hold and 270p target for IMI, a buy and 835p target for Kazakhmys, and a buy and 700p target for Peter Hambro Mining.

* Ambrian has a buy for Helius Energy.

 * RBS has a hold and 450p target for Hunting.

 * Panmure Gordon has a buy for Chesnara, raising the target to 195p from 180p; upgrades Hays to hold from sell, raising the target to 95p from 48p; has a buy for IMI, raising its target to 620p from 475p; downgrades Lavendon Group to hold from buy with a 190p target; has a buy and 145p target for Marshalls; a buy and 167p target for Melrose; a buy for Office2Office, raising the target to 209p from 199p; has a sell and 54p target for Robert Walters; a buy and £11 target for Spirax-Sarco; a hold and 140p target for Stagecoach; a buy and 210p target for Restaurant Group; and a buy and 50p target for Vertu Motors.