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: -0.0366954344818498 2_DAY_RETURN: -0.0639040780025033 3_DAY_RETURN: -0.0422952763686671 7_DAY_RETURN: -0.0378812833519994
The stock shows a consistent negative return trend over the specified periods.