AUD/USD based at 0.6396 after drop from 0.6421 (intra-day high at 0704 GMT)

0.6396 is 55-day moving average/one-week low (0.6398 was Wednesday's low)

Higher iron ore prices are source of support for the Australian dollar

See: nL1N3CA0LZ. Iron ore is Australia's single biggest export earner

US jobless claims due 1330 GMT; 218k f/c. Fed's Powell to speak at 1900 GMT

RBA SoMP due Friday. China Oct CPI down 0.2% YY vs minus 0.1% forecast