Sell first and buy later is call short selling. It is not permitted (actually permitted on a regulated basis). Since you have the product (shares) at hand it is not short selling. If you want to macth the way you said, you must make a special request with your remisier who will do the necessaty paper work for it. It may not be entitled to day trading rates.

This post has been edited by faceless: Aug 19 2010, 04:17 PM