Australian retailer Woolworths has posted sales from continuing operations up 10% to A$7.39bn (US$4.34bn) for the second quarter to 12 January. Woolworths, which is Australia's biggest retailer by market value, said total second quarter sales were up 8% to $7.47bn. First half sales from continuing operations were up 13% to $13.92bn, while total first half sales rose 11% to $14.14bn.