AUD/USD meets fresh headwind pre-0.6643 after rising on hawkish Bullock

0.6643 was Wednesday's three-week peak (0.6634 was Thursday's high)

Bullock said RBA "does not expect that it will...cut rates in the near term"

0.6608 was Asian session low, before RBA chief spoke to Australian lawmakers

0.6597 was Thursday's NY low, after USD rose on upbeat US retail sales data

Iron ore prices down again (iron ore is big export earner for Australia)