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: 0.006469790253574 2_DAY_RETURN: 0.0082437650005218 3_DAY_RETURN: -0.0049045184180319 7_DAY_RETURN: 0.0003130543671084
The stock shows a consistent positive return trend over the specified periods.