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: -0.0218419274938076 2_DAY_RETURN: -0.016888088268408 3_DAY_RETURN: -0.0078811078585902 7_DAY_RETURN: -0.0131351797643173
The stock shows a consistent negative return trend over the specified periods.