Compare the stock returns over 1, 2, 3, and 7 days after being mentioned in the tweet. Highlight any significant patterns or trends.
STOCK: Pfizer 1_DAY_RETURN: -0.0159264931087288 2_DAY_RETURN: -0.0156202143950994 3_DAY_RETURN: -0.0156202143950994 7_DAY_RETURN: -0.0183767228177642
The stock shows a consistent negative return trend over the specified periods.