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: -0.0067484662576686 2_DAY_RETURN: -0.006646216768916 3_DAY_RETURN: -0.006646216768916 7_DAY_RETURN: -0.0203476482617586
The stock shows a consistent negative return trend over the specified periods.