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: 0.0103092783505154 2_DAY_RETURN: 0.036082474226804 3_DAY_RETURN: 0.036082474226804 7_DAY_RETURN: 0.0876288659793814
The stock shows a consistent positive return trend over the specified periods.