Thursday broker round-up UPDATE

Aquarius Platinum: Investec lowers target price from 48p to 42p and downgrades from hold to sell.ASOS: Citi increases target price from 5800p to 7000p reiterating its buy recommendation.BHP Billiton: Jefferies raises target price from 2350p to 2400p and keeps a buy recommendation.Clinigen: Investec increases target price from 313p to 469p reiterating its hold recommendation.Europa Oil & Gas Holdings: Northland Capital places its target price (prev.: 17.60p) under review, while retaining a buy recommendation.GlaxoSmithKline: Deutsche Bank reduces target price from 1850p to 1800p, while leaving its buy recommendation unchanged.Go-Ahead Group: Investec raises target price from 1645p to 1800p keeping a buy recommendation.Home Retail Group: Deutsche Bank ups target price from 160p to 185p and maintains a hold recommendation. Citi increases target price from 115p to 195p and upgrades to neutral.Kazakhmys: Jefferies cuts target price from 300p to 280p retaining a hold recommendation. Investec raises target price from 190p to 262p upgrading from sell to hold.Mitchells & Butlers: Alphavaue shifts target price from 371.10p to 371.60p upgrading from sell to reduce.Premier Oil: Liberum Capital upgrades to hold with a target price of 300p. FinnCap lowers target price from 410p to 405p, while its buy recommendation remains unchanged.Reckitt Benckiser: Investec raises target price from 4425p to 4700p keeping a hold recommendation.Rio Tinto: Jefferies increases target price from 3600p to 4000p maintaining its buy recommendation.RSA Insurance: Alphavalue lowers target price from 149.10p to 148.20p downgrading from buy to add.Sports Direct International: Citi increases target price from 780p to 825p and retains a buy recommendation.Sweett Group: WH Ireland moves target price from 60p to 75p keeping a buy recommendation. Westhouse Securities ups target price from 58p to 70p and stays with its buy recommendation.Tracsis: WH Ireland downgrades from buy to outperform with a target price of 220.Vedanta Resources: Jefferies reduces target price from 1350p to 1250p and stays with its hold recommendation.WPP Group: Bank of America ups target price from 1400p to 1480p and reiterates a buy recommendation. Investec places its target price (prev.: 1325p) under review, while leaving its buy recommendation unchanged.