Wednesday broker round-up

National Grid: Citigroup upgrades to buy with a target price of 970p.

SSP: Berenberg reiterates hold with a target price of 335p.

Cranswick: RBC Capital Markets reiterates sector perform with a target price of 3,900p.

Ashtead: RBC Capital Markets reiterates sector perform with a target price of 3,200p.

Fevertree: Citigroup reiterates neutral with a target price of 2,300p.

3i Group: Citigroup upgrades to buy.

Spire Healthcare: Morgan Stanley reiterates equal weight with a target price of 142p.

AVIVA: Barclays reiterates equal weight with a target price of 370p.

IMI: Liberum upgrades to buy with a target price of 1,500p.

Babcock International: JP Morgan reiterates neutral with a target price of 400p.