DQvweek 3 need today

For dq1 I need two replies 

 

DQ1

Extensive resources and innovative computer technology have enabled some individuals to create efficient capital markets. In these markets many analysts and portfolio managers have an increased difficulty to consistently achieve superior results. What are some ways in which portfolio managers can improve their performance in these markets?

 

For dq2 I need two replies  

 

DQ2

 There are investors who claim they only invest in companies with great products and outstanding management, and ignore the stock price. Does it still make sense to develop an efficient frontier while adhering to this approach to investment? Discuss why or why not.