(Sharecast News) - London's FTSE 100 was down 0.4% at 8,268.28 in afternoon trade on Wednesday.
Caterer Compass Group was boosted by an upgrade to 'outperform' by BNP Paribas Exane.

Airtel Africa tumbled, however, after a downgrade to 'neutral' by JPMorgan Cazenove.

Barratt Developments fell as the housebuilder reported...

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