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: 0.0024600246002459 2_DAY_RETURN: -0.0043050430504305 3_DAY_RETURN: -0.0042025420254202 7_DAY_RETURN: -0.010250102501025
The stock shows a consistent negative return trend over the specified periods.