• AUD/USD has traded a 14.9 pip range thus far Thursday; 0.72081-0.7223

• 0.72081 is also the low since Wednesday's four-month high of 0.7238

• US PPI data due at 1230 GMT; 0.4% MM, 5.3% YY. Core f/c 0.3% MM, 4.6% YY

• Hotter prints could spur hawkish shift in Fed expectations, inflate USD

• Reuters poll: 28 out of 93 economists expect Fed hike on Sept 16

• JPMorgan expects RBA to raise rates on Sept 29, as does Goldman Sachs

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(Robert Howard is a Reuters market analyst. The views expressed are his own)