At 10.15am AEDT, the benchmark S&P/ASX200 index was up 10.8 points, or 0.22 per cent, at 4830.8 points, while the broader All Ordinaries index had risen 11.2 points, or 0.23 per cent, to 4839.3 points. The major miners were mixed at 10.15am AEDT. BHP was down nine cents at $43.15,