Monday broker round-up UPDATE

Balfour Beatty: Berenberg lowers target price from 290p to 280p and retains a buy recommendation. UBS lowers target price from 230p to 225p and keeps a neutral rating.Barclays: Citi lowers target price from 305p to 300p and keeps its sell recommendation.Clinigen: Investec cuts target price from 560p to 497p, while upgrading from hold to buy.CSR: Deutsche Bank ups target price from 370p to 400p, but still recommends selling.Experian: UBS cuts target price from 1250p to 1200p, while leaving its buy recommendation unchanged.Imperial Innovations Group: JP Morgan raises target price from 350p to 515p and reiterates a neutral rating.MyCelx: Numis cuts target price from 477p to 450p retaining its hold recommendation.Ocado: Deutsche Bank cuts target price from 350p to 330p, while upgrading from sell to hold.Petra Diamonds: Investec ups target price from 194p to 245p and maintains its buy recommendation.Polyus Gold: JP Morgan moves target price from 190p to 200p and keeps a neutral rating.Sepura: Westhouse Securities downgrades from buy to add with a target price of 170p.Solid State: WH Ireland raises target price from 365p to 429p upgrading to outperform.Vernalis: Oriel shifts target price from 56p to 60p and maintains a buy recommendation.Weir Group: Citi raises target price from 2600p to 3100p upgrading to buy.