The announcement of a potential quarterly dividend by Yum China's Board is significant news for investors, as dividends are a direct way to return value to shareholders. If the Board approves the dividend, it is likely to be viewed positively by the market, potentially leading to an increase in the stock price in the short term. The confidence level is high due to the direct correlation between dividend announcements and positive investor sentiment, although the actual impact will depend on the size of the dividend and the company's financial health.