Oct 29 (Reuters) - AMP Ltd AMP.AX :
* Says AMP sets margin on AMP Capital notes offer and increases offer size to at least A$230 million
* Margin determined under the bookbuild is 5.10 per cent per annum over the bank bill rate
* Size of the offer will increase from A$200 million to at least A$230 million
* Source text for Eikon ID:nASX79yLKf