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: -0.0143094315756185 2_DAY_RETURN: -0.0139536722270535 3_DAY_RETURN: -0.0277097003715708 7_DAY_RETURN: -0.0324926871689461
The stock shows a consistent negative return trend over the specified periods.