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SYDNEY, April 13 (Reuters) - Australian shares rose the most in six weeks on Wednesday as rebounding commodity prices lifted mining stocks, while New Zealand stocks climbed to a record high. S&P/ASX 200 index .AXJO advanced 79.1 points, or 1.6 percent, to 5,054.7 by the close of trade, its biggest percentage gain since March 2. The benchmark is still down 4.6 percent so far this year.
New Zealand's benchmark S&P/NZX 50 index .NZ50 gained 51.9 points, or 0.8 percent, to record high of 6,777.9.