Violation of Fair Dealing Duties

As an investment analyst at a reputable firm, you discover a material nonpublic information regarding a company's upcoming earnings report. Several days later, a client approaches you, asking for your personal opinion on whether to buy the company’s stock, expressing that they have been hearing rumors about its performance. While you know you should not trade or recommend based on that information, you feel an obligation to respond to the client.

Considering your responsibilities under the CFA Institute Code of Ethics and Standards of Professional Conduct, particularly regarding fair dealing, which of the following actions represents a violation of your duty?