How to find the hottest penny stocks
A good way to find hot penny stocks is to join penny stock newsletters because penny stocks have a tendency to be more difficult to study since there is less public facts available of the corporation. These newsletters work only finding and selecting the penny stocks that are hot right now. You have to be careful because some of the stocks advertised in some newsletter are indeed paid advertisements. So it's important to always investigate the most you can about the stock before purchasing it.
The best penny stock newsletters will make a very through research of the business, even to the extent of calling and talking with the companies CEOs. Because of this they take of doing a lot of research in advance for you, and some research that won't be achievable for you to do it on your own.
It's also better to confirm the success record of the penny stocks promoted on the newsletter. If they have a strong track of choosing really good stocks, then you can be more sure than the one they are promoting now will also deliver. If on the other side if they don't have a track record on their site about the previous stocks they have picked, then what you can do is to track them by yourself. Since your subscription, when they send a new one you add that one to a list, and track its outcomes. You can even receive many newsletters and track their results and follow the ones that have the best results. 
Another way of look for hot penny stocks by reading newsletters is to watch for stocks recommended by two or more newsletters. If you see one promoted in more than one newsletter it will worth to check.
If have enough available time to study, it's also good to join penny stock forums. On this forums you may be able to find a lot of hot penny stocks, since when someone buys a hot stock, it's to it benefit that the stock rises it's price, so they promote it. Because of this same cause it's significant that you verify well the information of the business before investment.
The most profit in the penny stocks market can be gained when you pick them just when they begin to warm up. In that way you can get the most profit from them. To do this you must act fast when a new business is suggested in a newsletter or site. When you get the data, do all the study you need to do, and then act consequently as fast as you can.