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: -0.0119206838402047 2_DAY_RETURN: -0.022794673489562 3_DAY_RETURN: -0.0275047973483746 7_DAY_RETURN: -0.0245973134849101
The stock shows a consistent negative return trend over the specified periods.