Tuesday broker round-up
Tullow Oil: Deutsche Bank reiterates hold and keeps target price at 370p.
Tesco: Citi reiterates neutral and 235 target price.
BHP Billiton: Barclays reiterates overweight and lifts target to 3,500p from 3,300p.
Rio Tinto: Barclays downgrades to equalweight and lower target to 2,850p from 3,350p.
Sky: Numis reiterates add and 1,200p target.
Just Eat: Citi reiterates buy and lifts target to 515p from 495p.
Petra Diamonds: Barclays reiterates overweight but lowers target to 240p from 262p.
Vedanta: Barclays upgrades to overweight and improves target to 650p from 400p.
Aveva: Jefferies reiterates buy and raises targetto 1,840p from 1,700p.
ARM Holdings: Investec reiterates hold and 1,140p target.
Petrofac: Deutsche Bank reiterates hold and 890p target.
Fresnillo: Barclays reiterates equalweight and lowers target to 750p from 835p.