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: 0.0438814531548757 2_DAY_RETURN: 0.0439770554493308 3_DAY_RETURN: 0.0506692160611855 7_DAY_RETURN: 0.0681644359464628
The stock shows a consistent positive return trend over the specified periods.