Treasury Wine Estates (TWE) is seeing some of its turnaround efforts bear fruit, with the company posting a 6% rise in net revenue to A$883 million ($690m) in the six months through December, the first half of its fiscal year. The Australia-based winemaker also flagged significant improvement in operating profit, which increased 78% at constant currency to A$85 million ($66m). Volume dipped 1.3% during the period to 15.1 million nine-liter cases.