principles for finance

For this week's homework assignment, please answer the following questions using the 

1. Describe the differences among the following three types of orders: market, limit, and stop loss. Provide examples of each in your own words.
2. What is a short sale? Provide an example in your own words.
3. Describe buying on margin. Provide an example in your own words.
4. Why is it illegal to trade on insider information? Provide an example in your own words.