Portfolio Management

1.How did the birth of online discount stock brokerages impact the Internet revolution?

2.If you were an investor during the dot.com revolution, and you invested primarily in technology stocks, what fundamental principle of finance did you ignore and how did it affect the value of your portfolio?

3.What is diversification and what is its value for investors' portfolios?

4.Explain the relationship between the potential return on a common stock and the risk of that stock