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Wall Street's major indexes gained on continued optimism among investors ahead of quarterly earnings reports.
Meanwhile, US crude climbed to three-year highs, boosted by OPEC-led production cuts and expectations that US crude inventories have dropped for an eighth week.
The local share price index futures rose 0.4 percent, or 23 points, to 6,111, a 24.8-point discount to the underlying S&P/ASX 200 index close. The benchmark rose 0.1 to close at a 10-year high on Tuesday.
New Zealand's benchmark S&P/NZX 50 index was slightly higher in early trade.