Virtual trade exhibition shortly visiting London suburb (1-8)

I believe the answer is:

e-shopping

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'virtual trade' is the definition.
(trade done online)

'exhibition shortly visiting london suburb' is the wordplay.
'shortly' indicates taking the first letters.
'visiting london suburb' becomes 'shopping' (I can't justify this - if you can you should give a lot more credence to this answer).
The first letter of 'exhibition' is 'e'.
'e'+'shopping'='E-SHOPPING'

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I've seen this clue in The Guardian.

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