Monday broker round-up

Amlin: Jefferies keeps hold rating and 350p target.Avocet Mining: Numis downgrades to hold, target slashed from 230p to 130p; Westhouse Securities downgrades to neutral, target cut from 262p to 102p; JP Morgan Cazenove downgrades to neutral, target cut from 240p to 100p.Barclays: Investec maintains buy recommendation and 240p target; UBS cuts target from 215p to 200p, buy rating kept.Berkeley Group: UBS raises target from 1,530p to 1,640p, buy rating unchanged.Capital & Counties: Credit Suisse downgrades from outperform to underperform, target left at 220p.Catlin: Jefferies downgrades from buy to hold, target left at 470p target.Chemring: Credit Suisse reduces target from 420p to 330p, neutral rating kept; Espirito Santo upgrades to buy, target cut from 350p to 335p.EMIS Group: Merchant Securities raises target from 600p to 700p, buy rating kept.Halfords: Panmure Gordon downgrades to hold, 256p target price unchanged.Heritage Oil: Investec puts hold rating under review.Hiscox: Jefferies ups target from 452p to 490p, buy rating retained.Lancashire: Jefferies keeps buy rating and 910p target.Novae Group: Peel Hunt downgrades to hold, target cut from 416p to 362p.Royal Bank of Scotland: Oriel Securities to hold.Royal Dutch Shell: Investec cuts target from 2,000p to 1,875p, sell rating kept.TalkTalk: Oriel Securities to sell.BC Barclays Berkeley Group Halfords Lancashire Holdings Chemring Hiscox Castelnau Group Aston Martin Lagonda