Tuesday broker round-up

Weir Group: JPMorgan upgrades to Outperform with a target price of 2175p.

Ascential: Berenberg initiates at Buy with a target price of 400p.

HSBC: Deutsche Bank reiterates Hold with a target price of 635p.

Carillion: JPMorgan upgrades to Overweight with a target price of 292p.

BHP Billiton: Goldman Sachs downgrades to Sell with a target price of 1100p.

Antofagasta: Goldman Sachs downgrades to Sell with a target price of 650p.

Anglo American: Goldman Sachs downgrades to Neutral with a target price of 1100p.

Vectura Group: RBC downgrades to Underperform with a target price of 133p.

Rolls Royce: Citigroup reiterates Buy with a target price of 920p.

Hammerson: HSBC maintains Buy with a target price of 668p.

Provident Financial Group: Jefferies reiterates Buy with a target price of 3845p.