Tuesday broker round-up

Aggreko: UBS cuts target from 2,750p to 2,550p, buy rating kept.ARM Holdings: Investec keeps buy rating and 800p target.Avacta: Panmure Gordon keeps buy rating and 1.75p target.AZ Electronic: Canaccord Genuity ups target from 360p to 376p, buy rating kept.Babcock: JPMorgan Cazenove ups target from 990p to 1,050p, overweight rating kept.Barclays: Exane BNP Paribas ups target from 330p to 340p, outperform rating kept; HSBC lifts target from 180p to 260p, neutral rating kept.BBA Aviation: Westhouse Securities downgrades to neutral.BP: Jefferies keeps hold rating and 450p target.BP Marsh & Partners: Panmure Gordon ups target from 125p to 130p, buy rating kept.British American Tobacco: Credit Suisse ups target from 3,400p to 3,430p, outperform rating kept.Bullabulling Gold: Westhouse Securities initiates with buy rating and 21p target..Burberry: Deutsche Bank keeps hold rating and 1,275p target.CRH: HSBC downgrades to neutral, target cut from 16p to 15p.Direct Line: Nomura initiates with reduce rating and 174p target.e-Therapeutics: Panmure Gordon keeps buy rating and 73p target.Experian: Jefferies keeps buy rating and 1,060p target; Seymour Pierce keeps reduce rating and 1,000p target.Genel Energy: HSBC downgrades to neutral, target upped from 816p to 830p.Hammerson: Jefferies raises target from 501p to 503p, hold rating kept.Inchcape: Panmure Gordon keeps hold rating and 430p target.Johnson Matthey: UBS cuts target from 2,378p to 2,300p, neutral rating kept.Laird: Investec keeps hold rating and 225p target.Mulberry: Barclays Capital cuts target from 1,600p to 1,250p, equal weight rating kept; Panmure Gordon slashes target from 2,000p to 1,100p, buy rating kept.N Brown: UBS ups target from 285p to 340p, buy rating kept.Premier Foods: Panmure Gordon keeps hold rating and 90p target; Investec puts buy rating and 100p target under review.Redrow: UBS downgrades to neutral, target lifted from 160p to 170p.SDL: Goldman Sachs cuts target from 915p to 820p, buy rating kept.Unilever: Oriel Securities downgrades to hold, target raised from 2,200p to 2,320p.Whitbread: Investec maintains sell rating and 1,650p target; Nomura maintains buy rating and 2,650p target; Panmure Gordon keeps hold rating and 1,994p target; Investec keeps sell rating and 1,650p target.BC