Who would spend $10 in commissions to buy $20 worth of stock?

If you spend $19.65 you can buy 15 shares of RNN at $1.31 per share. A very very cheap broker charges $4.95 per trade, so the stock price would have to increase 66 cents just for you to be able to break even. And that's IF you could find a broker who would let you buy only 15 shares of a penny stock.

Not a good game plan, buddy.