Discuss the role of corporate ethics guidelines and policies, and the relationship that may exist between ethics and share price.

Discuss the role of corporate ethics guidelines and policies, and the relationship that may exist between ethics and share price. Research at least one company that was listed in ASX top 200 for 2016 - 17 and include in your discussion that company's corporate ethics guidelines and policies. Evaluate if there were any relationship between ethics and share price of this company by incorporating the share price movement of the company using data and graph in your evaluation.