AUD/USD holds at $1.0662, on the low side of the day's $1.0637 to $1.0756 range. Earlier the pair broke above $1.0724 (50% retracement of the slide from $1.1011 to May 25 low on $1.0437), but stalled ahead of the 61.8% retrace (at $1.0792). The focus is on Wednesday's Q1 GDP release (median estimate at -1.1% vs 0.7% in Q4).