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: 0.0213402473075388 2_DAY_RETURN: -0.0047865975269246 3_DAY_RETURN: -0.0133625847626645 7_DAY_RETURN: -0.0271240526525727
The stock shows a consistent negative return trend over the specified periods.