Thursday broker round-up UPDATE

AstraZeneca: Alphavalue lowers target price from 3169p to 3087.7p and downgrades from reduce to sell.British American Tabacco: Panmure Gordon reduces target price from 3800p to 3200p and downgrades from buy to hold.Britvic: Investec ups target price from 600p to 672p and maintains a hold recommendation.BTG: N+1 Singer initiates with a target price of 490p and a sell recommendation.Centamin: Investec shapes target price from 54p to 51p retaining its buy recommendation.Domino Printing Sciences: Investec increases target price from 670p to 770p upgrading from hold to buy.Drax Group: Alphavalue shifts target price from 836.7p to 837p upgrading from reduce to add.eServGlobal: Canaccord Genuity initiates with a target price of 48p and a buy recommendation.Essar Energy: Barclays downgrades to equal-weight with a target price of 70p.Goldenport: Panmure Gordon ups target price from 50p to 60p and keeps a buy recommendation.Ophir Energy: Credit Suisse moves target price from 440p to 447p leaving its outperform rating unchanged.Probability: Numis cuts target price to 55p and downgrades from buy to add.Rightmove: Investec re-initiates with a target price of 2500p and a hold recommendation.Rockhopper Exploration: Canaccord Genuity shifts target price from 365p to 370p retaining a buy recommendation.Sainsbury: Alphavalue lowers target price from 351.2p to 350.6p, while upgrading from sell to reduce.Shire: Credit Suisse raises target price from 2750p to 2900p and reiterates a neutral rating.Speedy Hire: Panmure Gordon takes target price from 52p to 69p and maintains a buy recommendation.Sports Direct: Numis increases target price from 800p to 850p and stays with its add rating.Vectura: FinnCap ups target price to 180p and keeps a buy recommendation. Canaccord Genuity moves target price from 125p to 150p and leaves its buy recommendation unchanged.Victoria: Cantor Fitzgerald raises target price from 300p to 425p and maintains a buy recommendation.Xchanging: Panmure Gordon increases target price from 160p to 190p reiterating a buy recommendation.