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: -0.0011778563015311 2_DAY_RETURN: -0.0150176678445229 3_DAY_RETURN: -0.0135453474676089 7_DAY_RETURN: -0.0167844522968197
The stock shows a consistent negative return trend over the specified periods.