Australia stock market finished session higher on Wednesday, 16 May 2018, with shares in energy, materials and resources leading rally on firmer commodities prices. The benchmark S&P/ASX200 index was up 9.2 points, or 0.15%, at 6,107 points, while the broader All Ordinaries index was up 9.4 points, or 0.15%, at 6,208.1 points.