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: 0.0056475170399219 2_DAY_RETURN: 0.0348588120740017 3_DAY_RETURN: 0.030704316780266 7_DAY_RETURN: -0.0020123336579032
The stock shows a consistent negative return trend over the specified periods.