The decline in MetLife's stock price is a direct reaction to the company's Q4 financial results. Typically, if a company's financial performance is below market expectations, it can lead to a decrease in stock price as investors adjust their valuation of the company. The relevance is high as the news is directly about MetLife's financial results, and the importance is significant because quarterly earnings are a key indicator of a company's financial health and can influence investor sentiment. The confidence level is high due to the clear cause-and-effect relationship between earnings reports and stock price movements, although without specific details on the financial results, the confidence cannot be absolute.