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: 0.0033940141931502 2_DAY_RETURN: -0.0047310500874216 3_DAY_RETURN: -0.0062737838115807 7_DAY_RETURN: -0.0084336110254037
The stock shows a consistent negative return trend over the specified periods.