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: -0.0057251908396945 2_DAY_RETURN: -0.0059796437659032 3_DAY_RETURN: -0.0059796437659032 7_DAY_RETURN: -0.0057251908396945
The stock shows a consistent negative return trend over the specified periods.