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: -0.0172914586548062 2_DAY_RETURN: -0.0422074975038577 3_DAY_RETURN: -0.0445221022056821 7_DAY_RETURN: -0.050558228192793
The stock shows a consistent negative return trend over the specified periods.