Breaking pre-market news on Thursday,
- Barclays first-half profit up 44 per cent to £3.95bn — statement.
- Rio Tinto posts $5.8bn underlying profit — statement.
- Aviva profit up 21 per cent at £1.27bn — statement.
- RBS renews Aviva joint venture at £235m termination cost — statement.
- Corporate: BP, RSA, Unilever, Randgold Resources, Ladbrokes, Ferrexpo, Cobham, Smith & Nephew, News Corporation, Commerzbank, Gulf Keystone Petroleum.
