I meant to say putting your order in after market close. You know how your waiting for a stock to take off but the dow keeps it down? Well when the dow finally turns green and that oversold stock gaps up between the previous days days close and the new day open...Its that gap up that I want to know how to gain without having to buy in trading hours the afternoon before. Do you know what I mean?...

I want to get my order in ASAP after market closes, so im in line for the gap up if it happens, but if the dow is down again, i can cancell my order and try again the next day.