Cancel the investment? (5,3,5)

I believe the answer is:

raise the siege

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'cancel the investment?' is the definition.
I don't know anything about this answer so I can't tell whether this works.

'cancel the investment?' is the wordplay.
'cancel' becomes 'raise' (I can't explain this - if you can you should give a lot more credence to this answer).
'investment?' becomes 'siege' (I've seen this before).
'raise'+'the'+'siege'='RAISE THE SIEGE'

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I've seen this clue in The Globe and Mail.

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