Sectors: Tech sentiment improves

Improving sentiment towards technology companies saw the electronic and electrical equipment sector top the leaderboards in London on Wednesday.Although earnings reports from tech giants stateside have been mixed, with Apple and Facebook pleasing but Amazon and Twitter disappointing, interest in smaller electronic engineers in the UK has been revived this week.Spectris, Renishaw, Domino Printing, Halma, Morgan Advanced Materials and Oxford Instruments were all higher by the close.Supermarkets enjoyed a second day in investors good books, after traders began rummaging around for bargains on Monday.Blue chips Tesco, Sainsbury and Morrisons were all boosted, with Ocado and Booker rising even higher. Tesco Oxford Instruments Ocado Renishaw Sainsbury's