While a decrease in short interest can be a positive sign for a stock, it is not a definitive predictor of stock price movement. The impact on FedEx's stock price in the short term is likely to be neutral, as the article suggests that the decrease in short interest does not necessarily mean the stock will rise. The relevance is high because the news is directly about FedEx's short interest, but the importance is moderate because short interest is just one of many factors that can affect stock prices. The confidence level is not at the maximum because market sentiment can be unpredictable and influenced by many external factors.