Compare the stock returns over 1, 2, 3, and 7 days after being mentioned in the tweet. Highlight any significant patterns or trends.
STOCK: FedEx 1_DAY_RETURN: 0.0026858430081441 2_DAY_RETURN: -0.021270143822561 3_DAY_RETURN: -0.0534136198232542 7_DAY_RETURN: -0.0599549471495408
The stock shows a consistent negative return trend over the specified periods.