AUD/USD opens +0.50%, but well off post-RBA hike high at 0.6717

Risk aversion rises on banking US debt ceiling and global growth concerns nL1N36Z337nL1N36Z1N3

AUD/JPY fell 1.50% from the intraday high and weighed on AUD/USD

AUD/USD closed below the 21-day MA at (0.6679) and near 10-day MA at 0.6656

Resistance at the 200-day MA at 0.6732 may prove difficult to break

Support is at 0.6630 where it was before RBA surprise hike

Market will now position for FOMC decision late Wednesday

Fed expected to hike 25 bps, but the communication will be key nL1N36Y0XH

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