Compare the stock returns over 1, 2, 3, and 7 days after being mentioned in the tweet. Highlight any significant patterns or trends.
STOCK: Pepsi 1_DAY_RETURN: 0.0027463096464126 2_DAY_RETURN: 0.0021455544112598 3_DAY_RETURN: -0.0057500858221764 7_DAY_RETURN: -0.0123583934088568
The stock shows a consistent negative return trend over the specified periods.