1. Name and describe three basic types of orders. 2. Why might an investor buy securities on margin? 3. Describe how the return on an investment is calculated. 4. What is a short sale? Explain the...

1. Name and describe three basic types of orders.

2. Why might an investor buy securities on margin?

3. Describe how the return on an investment is calculated.

4. What is a short sale? Explain the logic behind it. How much could be gained or lost on a short sale investment?