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: -0.0002906638762935 2_DAY_RETURN: -0.0122078828043252 3_DAY_RETURN: -0.0230787117777002 7_DAY_RETURN: -0.0331356818974538
The stock shows a consistent negative return trend over the specified periods.