Joni Black, CFA, works for a portfolio management firm. Black is a partner of the firm and is primarily responsible for managing several large pension plans. Black has just finished a research report in which she recommends Zeta Corporation as a “Strong Buy.” Her rating is based on solid management in a growing and expanding industry. She just handed the report to the marketing department of the firm for immediate dissemination. Upon returning to her desk she notices a news flash by CNN reporting that management for Zeta Corporation is retiring. Black wishes she did not recommend Zeta Corporation as a “Strong Buy,” but believes the corporation is still a good investment regardless of the management. What course of action for Black is best? Black（     ）。