Wednesday broker round-up

Homeserve: RBC downgrades to Sector Perform with a target price of 750p.

Homeserve: Citigroup downgrades to Neutral with a target price of 795p.

National Express: JPMorgan upgrades to Overweight with a target price of 404p.

Go-Ahead Group: JPMorgan downgrades to Neutral with a target price of 1951p.

UDG Healthcare: Jefferies downgrades to Hold with a target price of 785p.

TalkTalk: Goldman Sachs downgrades to Sell with a target price of 150p.

Wood Group: Macquarie upgrades to Outperform with a target price of 779p.

Amec Foster Wheeler: Macquarie upgrades to Outperform with a target price of 555p.

Topps Tiles: Canaccord downgrades to Hold with a target price of 93p.

Shaftesbury: Jefferies reiterates Hold with a target price of 1003p.