As a chartered financial analyst working with a large investor firm, you receive a request from your client to buy a high-risk, speculative stock that has been getting a lot of media attention. The client is adamant about making this investment despite your concerns regarding the stock's volatility and the potential negative impacts on their overall portfolio. You have known this client for several years and understand that they have a high-risk tolerance, but the investment strategy they are proposing diverges significantly from the asset allocation plan you designed for them.
Considering the CFA Institute's Code of Ethics and Standards of Professional Conduct, which of the following actions best reflects your responsibility to the client in this scenario?