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: -0.0051906779661017 2_DAY_RETURN: -0.0051906779661017 3_DAY_RETURN: -0.0051906779661017 7_DAY_RETURN: 0.0055084745762711
The stock shows a consistent positive return trend over the specified periods.