Friday broker round-up

AstraZeneca: HSBC downgrades to Reduce with a target price of 4500p.

Standard Life: RBC upgrades to Sector Perform with a target price of 370p.

Aberdeen Asset Management: RBC upgrades to Outperform with a target price of 300p.

Ocado Group: UBS downgrades to Sell with a target price of 200p.

Next: Canaccord downgrades to Sell with a target price of 3714p.

ITV: JP Morgan downgrades to Neutral with a target price of 233p.

Rio Tinto: Macquarie maintains Outperform with a target price of 4200p.

Hostelworld: Berenberg reiterates Hold with a target price of 270p.

G4S: Deutsche Bank reiterates Hold with a target price of 325p.

Unilever: Citigroup reiterates Buy with a target price of 4440p.

WPP: Macquarie reiterates Outperform with a target price of 2100p.