Thursday broker round-up

TalkTalk: RBC downgrades to Sector Perform with a target price of 190p.

First Group: RBC upgrades to Sector Perform with a target price of 110p.

Centrica: Kepler upgrades to Buy with a target price of 190p.

First Group: Deutsche Bank upgrades to Hold with a target price of 100p.

Aveva: JPMorgan upgrades to Overweight with a target price of 3200p.

Marshalls: Berenberg upgrades to Buy with a target price of 510p.

Dignity: Berenberg downgrades to Hold with a target price of 2350p.

Vodafone: Barclays reiterates Equal Weight with a target price of 230p.

Johnson Matthey: Barclays reiterates Overweight with a target price of 3680p.

Experian: Goldman Sachs reiterates Buy with a target price of 1940p.

GlaxoSmithKline: Jefferies reiterates Buy with a target price of 1450p.