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: -0.0022502812851605 2_DAY_RETURN: -0.0022502812851605 3_DAY_RETURN: -0.0022502812851605 7_DAY_RETURN: -0.0387548443555443
The stock shows a consistent negative return trend over the specified periods.