Wednesday broker round-up - UPDATE

Chemring: Jefferies reiterates buy rating and 512p target.Bovis Homes: Liberum Capital downgrades to hold, target cut from 525p to 465p.Halfords: Peel Hunt downgrades from hold to sell.Imperial Tobacco: UBS reiterates buy rating and 2,745p target.Logica: UBS downgrades from buy to neutral, target raised from 82p to 107p; Investec raises target from 84p to 105p, keeps hold rating.Man Group: Citigroup upgrades to buy, target cut from 100p to 90p.Moneysupermarket.com: Numis upgrades to reduce, target raised from 99p to 104p.Petropavlovsk: UBS upgrades from neutral to buy, target cut from 650p to 630p.SuperGroup: Peel Hunt keeps sell recommendation. Taylor Wimpey: Liberum Capital upgrades to buy, target lifted from 45p to 50p.Yell Group: Citigroup upgrades to neutral.BC