Intertek: UBS downgrades to ´sell´ from ´neutral´, cuts target to 1750p from 2000p.Tate&Lyle: UBS keeps at ´neutral´, raises target to 615p from 595p. Carphone: Alpha Value upgrades to 'add' from 'reduce'. IMI: Alpha Value upgrades to 'buy' from 'add'.Astra Zenaca: Seymour Pierce stays at 'reduce'.Harvey Nash: Seymour Pierce reiterates 'buy'.Jacques Vert: Seymour Piercereiterates 'buy'.Mission Marketing Group: Seymour Pierce reiterates 'buy'.Sainsbury: Seymour Pierce upgrades to 'hold' from 'sell'. Tesco: Seymour Pierce stays at 'buy'.AB