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: 0.0046893317702228 2_DAY_RETURN: 0.0041031652989449 3_DAY_RETURN: 0.0041031652989449 7_DAY_RETURN: -0.014654161781946
The stock shows a consistent negative return trend over the specified periods.