Forfeit a dividend perhaps and become bored (4,8)

I believe the answer is:

lose interest

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'become bored' is the definition.
(I've seen this in another clue)

'forfeit a dividend perhaps' is the wordplay.
'forfeit' becomes 'lose' (I've seen this in another clue).
'a dividend perhaps' becomes 'interest' (I can't explain this - if you can you should give a lot more credence to this answer).
'lose'+'interest'='LOSE INTEREST'

'and' acts as a link.

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

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