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: -0.0238918171606325 2_DAY_RETURN: -0.0559491920850255 3_DAY_RETURN: -0.0587142486822777 7_DAY_RETURN: -0.0588870647196059
The stock shows a consistent negative return trend over the specified periods.