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: -0.0227868521879411 2_DAY_RETURN: -0.0225851986287558 3_DAY_RETURN: -0.0206694898164953 7_DAY_RETURN: -0.0178967533776971
The stock shows a consistent negative return trend over the specified periods.