Antofagasta: UBS reduces target price from 1140p to 1050p, while upgrading from neutral to buy.ARM Holdings: Analysts at Numis have cut their view on the shares to reduce from hold. Associated British Foods: Nomura cuts target price from 1800p to 1650p downgrading to reduce.Atkins: Jefferies ups target price from 900p to 950p retaining a hold recommendation.Bovis Homes Group: UBS moves target price from 840p to 900p leaving its buy recommendation unchanged.BP: Jefferies ups target price from 450p to 500p and keeps a hold recommendation.British American Tabacco: Investec lowers target price from 3800p to 3750p, while its buy recommendation remains unchanged.Catlin: UBS starts with a target price of 475p and a neutral rating.Centrica: Goldman Sachs takes target price from 429p to 444p and maintains a neutral rating.Clean Air Power: Cantor Fitzgerald upgrades to buy with a target price of 175p..Drax Group: Goldman Sachs shifts target price from 681p to 684p and upgrades to neutral.First Group: UBS reduces target price from 122p to 100p reiterating a neutral rating.GlaxoSmithKline: UBS increases target price from 1450p to 1745p, while its neutral rating remains unaltered.Hikma Pharmaceuticals: Goldman Sachs initiates with a target price of 1170p and a buy recommendation.Immunodiagnostic Systems: Investec raises target price from 360p to 460p, but downgrades from buy to hold.Imperial Tabacco: Investec takes target price from 2370p to 2430p and reiterates a hold recommendation.Invensys: Canaccord Genuity starts with a target price of 420p and a hold recommendation.Majestic Wine: Investec moves target price from 480p to 495p and keeps a buy recommendation.National Grid: Goldman Sachs moves target price from 707p to 712p, while still recommending selling.Ophir Energy: UBS cuts target price from 550p to 500p, while keeping its buy recommendation.Pennon Group: Goldman Sachs shifts target price from 718p to 723p and retains a neutral rating.Resolution: JP Morgan increases target price from 273p to 302p maintaining a neutral rating.Shanks Group: Goldman Sachs ups target price from 107p to 112p and leaves its sell recommendation unchanged.SSE: Goldman Sachs raises target price from 1292p to 1335p, while staying with its sell recommendation.St James's Place: JP Morgan takes target price from 560p to 624p keeping an overweight rating.Tullow Oil: Jefferies reduces target price from 1800p to 1500p, while reiterating its buy recommendation.