Thursday broker round-up

Marks&Spencer: Cannacord Genuity reiterates hold and tweaks price target to 530p from 525p.

Antofagasta: Credit Suisse reiterates neutral stance with a 710p target.

BG Group: Citigroup reiterates buy and lifts target to 1,332p.

Robert Walters: Credit Suisse reiterates outperform and improves target to 420p from 360p.

Virgin Money: Numis downgrades to hold.

Hays: Bank of America upgrades to buy with a 190p target.

Reckitt Benckiser: Nomura reiterates buy and takes target to 6,100p from 6,000p.

Petra Diamonds: Investec reiterates buy.

Burberry Group: JP Morgan reiterates neutral and improves target to 1,560p from 1,470p.

InterContinental Hotels Group: Jefferies reiterates hold and lifts target to 2,400p from 2,000p.

Royal Dutch Shell: Investec decreases target to 1,900p from 2,000p and reiterates hold.