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: -0.0050217781193954 2_DAY_RETURN: -0.0216756341275942 3_DAY_RETURN: -0.0269536254163464 7_DAY_RETURN: -0.0360235716115808
The stock shows a consistent negative return trend over the specified periods.