FTSE edges down from one-year high, earnings weigh

By Atul Prakash LONDON (Reuters) - Britain's top share index dipped on Thursday after hitting a one-year high in the previous session, with Smith & Nephew and Royal Dutch Shell falling after poorly received trading updates. The blue-chip FTSE 100 index fell 0.1 percent to 6,742.22 points. The FTSE 100, whose international companies are less exposed to any weakness in the domestic economy arising from Brexit, is up 6.5 percent since the Brexit vote, while the domestically-focused mid-cap inde