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: 0.0189069423929098 2_DAY_RETURN: 0.0189069423929098 3_DAY_RETURN: 0.0189069423929098 7_DAY_RETURN: -0.0192023633677991
The stock shows a consistent negative return trend over the specified periods.