Monday broker round-up

Ibstock: Jefferies downgrades to hold with a target price of 268p.

Filtrona: Peel Hunt reiterates hold with a target price of 8,500p.

Johnson Service Group: Peel Hunt initiates with a recommendation to add and a target price of 196p.

Unilever: Liberum upgrades to buy with a target price of 5,100p.

Gem Diamonds: Liberum downgrades to hold with a target price of 60p.

Shaftesbury: Liberum reiterates hold with a target price of 1,000p.

AB Dynamics: Liberum reiterates buy with a target price of 2,800p.

Rio Tinto: RBC Capital Markets upgrades to sector performer with a target price of 3,900p.

Glencore: RBC Capital Markets upgrades to outperform with a target price of 290p.

Land Securities Group: JP Morgan downgrades to neutral with a target price of 1,000p.

Derwent London: JP Morgan downgrades to underweight with a target price of 3,500p.