Friday broker round-up

Royal Dutch Shell: Barclays upgrades to equal weight.

Diploma: Berenberg reiterates hold with a target price of 2,150p.

Elementis: Berenberg reiterates buy with a target price of 100p.

Smith & Nephew: JP Morgan reiterates neutral with a target price of 1,596p.

Rolls Royce: JP Morgan reiterates underweight with a target price of 30p.

Persimmon: Citigroup reiterates buy with a target price of 3,143p.