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: -0.0100874935666495 2_DAY_RETURN: -0.0060730828615543 3_DAY_RETURN: -0.0137931034482758 7_DAY_RETURN: -0.0240864642305713
The stock shows a consistent negative return trend over the specified periods.