To make comparisons between companies, sectors and markets a little easier, there are a number of mathematical models used. The most common and often the most helpful is the P/E ratio. The Price to Earnings ratio takes the share price and is divided by the earnings per share. It is possible to calculate this using past earnings, projected future earnings and with all sorts of moving averages ;-) Therefore, this is one number that it is vital for any investor to know and understand.
It’s best if you can automate your actual stock investments. Robo-advisors can do this for you, or if you must, you can manually buy stocks every time you receive a paycheck and have money in your savings or brokerage account. The important point is that you make regular investments so that you aren’t tempted to time the market. Regularly investing the same amount is a form of dollar cost averaging, and it helps reduce risk in your stock investments.
The Over-the-Counter Bulletin Board (OTCBB): This is owned by the NASDAQ, and as such has listing fees, standards, and reporting requirements. The companies trading upon it have a responsibility to provide the shareholders (you) with timely financial documentation. Higher-quality penny stocks list here when they are just shy of attaining the status that comes with the NASDAQ or NYSE.
Considering that penny stocks are any shares that trade for less than $5, there are plenty of penny stocks on many of the major exchanges like the NYSE and the NASDAQ. There are even a few which trade for less than one dollar but still trade on these "big-board" markets. However, you will typically find most penny stocks trading at the following locations:
Why I’m buying: Spell out what you find attractive about the company and the opportunity you see for the future. What are your expectations? What metrics matter most and what milestones will you use to judge the company’s progress? Catalog the potential pitfalls and mark which ones would be game-changers and which would be signs of a temporary setback.