• AUD/USD creeps up to 0.6220 from 0.6203; edging higher

• Makes another try to escape Bollinger downtrend channel

• Fri close above 0.6202 will nullify that bearish cue

• But more technical resistance levels lie above to cap

• 21 DMA at 0.6283 will attract plenty of short-sellers

• That key barrier triggered deflections lower in Nov-Dec
AUD:

(Ewen Chew is a Reuters market analyst. The views expressed are his own.)