Compare the stock returns over 1, 2, 3, and 7 days after being mentioned in the tweet. Highlight any significant patterns or trends.
STOCK: Groupon 1_DAY_RETURN: -0.0092307692307691 2_DAY_RETURN: -0.0092307692307691 3_DAY_RETURN: -0.0092307692307691 7_DAY_RETURN: 0.0799999999999999
The stock shows a consistent positive return trend over the specified periods.