Are you nuts?! You want to double up your $4,000 in two weeks with this kind of market? Good luck to you then. As of the moment, markets are really bright red in color. Down trend isn't finish yet that's why people are always on a panic mode just to prevent themselves from losing too much money. If you can really make that happened, ok then do it. I hope it didn't take you a long time because the market status right now.