AUD/USD eyes 0.6337 after extending south from 0.6377 (Asian session high)

0.6337 was 13-month low last week (after Reuters report on yuan hurt AUD)

Bear targets include 0.6300 - a level below which stops are tipped

Two-day Fed meeting gets underway later; hawkish cut expected on Wednesday

Big 0.6350 option expiries on Wednesday, Thursday and Friday nL1N3NH0B1

US Nov retail sales data due at 1330 GMT; 0.5% MM forecast vs 0.4% in Oct