Compare the stock returns over 1, 2, 3, and 7 days after being mentioned in the tweet. Highlight any significant patterns or trends.
STOCK: Walmart 1_DAY_RETURN: -0.0086172344689378 2_DAY_RETURN: -0.0086172344689378 3_DAY_RETURN: -0.0086172344689378 7_DAY_RETURN: -0.0266533066132264
The stock shows a consistent negative return trend over the specified periods.