Breaking pre-market news on Wednesday,
- Rio Tinto to invest further $3.1bn in Pilbara mine — statement.
- BHP Billiton loses local government backing for Potash bid — report.
- Home Retail benchmark pre-tax profit tumbles 23 per cent; Argos sales fall sharply — statement and statement.
- Tom Cross resigns from Dana Petroleum — statement.
- Corporate: BHP Billiton, BAE Systems, Xstrata, Sports Direct, Stobart Group, Nighthawk, BASF.
