Zhao Wei, CFA, is a well-known and respected analyst who follows the financial software industry. He learns that a small, relatively unknown company whose shares are traded over the counter has just signed significant contracts with some of the companies he follows. After further investigation, Zhao Wei decides to write a research report on the company and recommend purchase. While the report is being reviewed by his supervisor for factual accuracy, Zhao Wei schedules a dinner party with several of his best clients to discuss the company. At the dinner party, he mentions the purchase recommendation that is scheduled to be sent out early the following week to all the firm's clients. According to the Standards of Practice Handbook, has Zhao Wei violated any CFA Institute Standards with respect to:
　　fair dealing?　　 preservation of confidentiality?

A.Yes　　　　　　　Yes

B.No　　　　　　　Yes

C.Yes　　　　　　　No