Tuesday broker round-up UPDATE

African Barrick Gold: Investec ups target price from 212p to 260p upgrading from sell to hold.Al Noor Hospotals: Jefferies cuts target price from 1155p to 1125p and maintains a buy recommendation.Aquarius Platinum: Citi shifts target price from 22p to 26p and keeps a neutral rating.BHP Billiton: Nomura raises target price from 2500p to 2600p staying with its buy recommendation.Cobham: Investec cuts target price from 310p to 290p retaining a reduce rating.Genel Energy: Oriel reduces target price to 895p, while upgrading from reduce to hold.Hargreaves Lansdown: UBS initiates with a target price of 850p and a sell recommendation.Highland Gold Mining: Westhouse Securities downgrades from buy to add with an unchanged target price of 80p.Immunodiagnostic Systems: Canaccord Genuity cuts target price from 492p to 478p and reiterates a hold recommendation.Intu Properties: Jefferies shifts target price from 326p to 333p and reiterates a hold recommendation.Matchtec: Sanlam Securities initiates with a target price of 662p and a buy recommendation.Plus500: Numis moves target price from 824p to 838p retaining a buy recommendation.RSA Insurance: Credit Suisse ups target price from 400p to 450p upgrading from underperfom to neutral. Panmure Gordon cuts target price from 485p to 451p maintaining its hold recommendation.Segro: Jefferies shifts target price from 350p to 356p and keeps a hold recommendation.Serco Group: Investec cuts target price from 310p to 290p and maintains a sell recommendation.Synthomer: Jefferies lowers target price from 338p to 314p, while leaving its buy recommendation unchanged.Zoopla: Nomura initiates with a target price of 350p and a buy recommendation.