March 24 (Reuters) - Australian shares are likely to open flat on Wednesday, tracking a choppy Wall Street on concerns about the cost of U.S. infrastructure spending and related potential tax hikes, while robust iron ore prices will likely benefit heavyweight miners.
The local share price index futures YAPcm1 fell 0.03%, a 30.4-point discount to the underlying S&P/ASX 200 index .AXJO close. The benchmark fell 0.1% on Tuesday.
New Zealand's benchmark S&P/NZX 50 index .NZ50 was flat in early trade.