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: -0.0151610073925574 2_DAY_RETURN: -0.0207993985716075 3_DAY_RETURN: -0.021049993735121 7_DAY_RETURN: -0.0187946372635008
The stock shows a consistent negative return trend over the specified periods.