Analyst ratings have a significant influence on stock prices as they reflect expert opinions on a company's future performance. Multiple downgrades suggest a negative outlook, which can lead to a decrease in investor confidence and a subsequent drop in the stock price. Given that the downgrades are the direct cause of the trading decline, the relevance is high, and the importance is substantial as such ratings are critical for investment decisions. The confidence level is high due to the clear cause-and-effect relationship between analyst downgrades and stock price movements.