Monday broker round-up - UPDATE

Randgold Resources: Goldman Sachs downgrades to sell from neutral. Aggreko: Investec puts 1,950p target under review, buy rating retained.Carnival: Evolution Securities keeps buy recommendation and 2,850p target.Ocado: Panmure Gordon keeps sell rating and 50p target.Babcock: Panmure Gordon reiterates buy and 780p target.Travis Perkins: Panmure Gordon reiterates buy and 1,050p target.SEGRO: Panmure Gordon keeps buy and 274p target.888 Holdings: Evolution Securities raises target from 55p to 60p, buy rating kept; Panmure Gordon raises target from 56p to 60p, buy rating unchanged.European Goldfields: Investec puts buy rating and 1,002p target under review.Computacenter: Investec reiterates buy recommendation and 500p target.XP Power: Investec keeps buy rating and 1,300p target.HMV: Nomura maintains neutral rating and 10p target; Panmure Gordon maintains hold and 8p target.Escher Group: Panmure Gordon keeps buy rating and 279p target.Hargreaves Services: Panmure Gordon leaves hold rating and 1,209p target unchanged.Prezzo: Collins Stewart keeps buy and 85p target.Mouchel: Panmure Gordon reiterates hold and 35p target.