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: -0.0163339382940109 2_DAY_RETURN: -0.0139140955837871 3_DAY_RETURN: -0.0205686630369026 7_DAY_RETURN: -0.0303488606573906
The stock shows a consistent negative return trend over the specified periods.