• AUD/USD based at 0.6410 after retreat from 0.6450 (20-week high in Asia)

• Retreat spurred by USD gain on news Trump to reduce impact of auto tariffs

• Resistance levels beyond 0.6450 include 0.6462 (200DMA) and 0.65

• Australian Q1 inflation data due at 0130 GMT; trimmed mean forecast 2.8% YY

• RBA interest rate cut expected on May 20 (Fed rate hold expected on May 7)

• Australia's surge in wine exports to China begins to slow

AUDUSD

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