UK's Headlam plunges after warning of weaker annual results

** Shares of floor coverings distributor Headlam Group down 11.6% at 48.7p ** Stock top loser across London stocks ** HEAD expects full-year performance to be below expectations after rev fell 5% for four months ended October 31** Says group has continued to experience challenging market dynamics & execution during the period** "UK consumer confidence has fallen as the Budget nears, further dampening a weak flooring market" - Peel Hunt analysts** Including session's loss, stock down 66.1% YTD