British blue-chips dented by sterling's brief Brexit uplift

(Reuters) - Britain's exporter-heavy blue-chip index lost ground as sterling hit multi-month highs after European Commission President Jean-Claude Juncker said that a Brexit deal is still possible.The FTSE 100 dipped by 0.2%, registering its first weekly loss in three, though sterling's early gains helped the more domestically focused mid-cap FTSE 250 to firm by 0.4%. Housebuilders, generally sensitive to Brexit updates, were among those to benefit as the sector index reached its highest in..