1.   What risks and rewards would an investor incur by writing calls on shares that he or she owns?

2.   Operational efficiency within the ISE is reflected in the costs investors incur in carrying out transactions, the main ones being commission to brokers and the spread.

3.   Jumping into hot funds can cause investors to incur additional costs.

4.   The investor may incur interest expenses if the share price rises before the borrowed shares are replaced.

5.   The reason is that investors generally incur taxes when they use their options to buy stock.

6.   While not all those investors would have incurred losses, Peffer questioned whether they were appropriate investments for individuals.