Monday broker round-up

Petra Diamonds: Berenberg upgrades to hold with a target price of 9p.

Tharisa: Berenberg reiterates buy with a target price of 150p.

JD Wetherspoon: Berenberg reiterates buy with a target price of 1,750p.

Johnson Matthey: Deutsche Bank reiterates buy with a target price of 3,700p.

Morrison Supermarkets: Deutsche Bank upgrades to buy with a target price of 235p.

Sainsbury: Deutsche Bank upgrades to buy with a target price of 275p.

Tesco: Deutsche Bank reiterates buy with a target price of 295p.

National Grid: JP Morgan reiterates overweight with a target price of 960p.

Smiths Group: JP Morgan reiterates overweight with a target price of 1,835p.