Compare the stock returns over 1, 2, 3, and 7 days after being mentioned in the tweet. Highlight any significant patterns or trends.
STOCK: Facebook 1_DAY_RETURN: -0.010606243220441 2_DAY_RETURN: -0.0174761962154996 3_DAY_RETURN: -0.0174761962154996 7_DAY_RETURN: 0.0314571531878992
The stock shows a consistent positive return trend over the specified periods.