Australian shares seen cautious ahead of Fed, NZ at record high

SYDNEY, March 15 (Reuters) - Australian shares looked set for a steady opening around 10-month highs on Tuesday after Wall Street closed little changed and investors were cautious about taking on positions ahead of the U.S. Federal Reserve policy meeting. Stock index futures edged up 0.1 percent to 5,177.0, an 8.5-point discount to the close of the underlying S&P/ASX 200. The benchmark rose to its highest since early January on Monday, but was still down 2 percent this year. Mining stock