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$A follows Wall Street higher

The Australian dollar is higher, after Wall Street closed on an upbeat note as optimism about the coming company earnings season overshadows the weekend's US-led missile attack on Syria.

At 0635 AEST on Tuesday, the local currency was worth 77.83 US cents, up from 77.55 US cents on Monday.

The major US stock indexes all finished the session almost one per cent higher as investors appeared to shift focus to the US earnings season in which corporate tax cut benefits are expected to be a highlight.

CURRENCY SNAPSHOT AT 0635 AEST ON TUESDAY

One Australian dollar buys:

* 77.83 US cents, from 77.55 on Monday

* 83.36 Japanese yen, from 83.15 yen

* 62.85 euro cents, from 62.91 euro cents

(*Currency closes taken at 1700 AEST previous local session)