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: 0.0220820189274448 2_DAY_RETURN: 0.0252365930599369 3_DAY_RETURN: 0.0157728706624606 7_DAY_RETURN: 0.1261829652996845
The stock shows a consistent positive return trend over the specified periods.