Tate&Lyle: J.P.Morgan downgrades to underweight from neutral.IAG: Credit Suisse cuts target too 152p from 164p.HSBC: Credit Suisse cuts target too 610p from 640p.Essar: Credit Suisse cuts target too 435p from 566p.Weir: Credit Suisse raises target to 2050p from 1850p. Astra Zeneca: Panmure Gordon reiterates buy and 3600p target. Bovis Homes: Panmure Gordon reiterates hold and 467p target.Hammerson: Panmure Gordon reiterates buy.Babcock: Peel Hunt reiterates Conviction buy. Tarsus: Peel Hunt upgrades to buy from hold. Rotork: Peel Hunt downgrades to hold from buy. Umeco: Peel Hunt reiterates hold and lowers target to 310p. Bodycote: finnCap downgrades to hold from buy, with target at 205p. AB