Compare the stock returns over 1, 2, 3, and 7 days after being mentioned in the tweet. Highlight any significant patterns or trends.
STOCK: Nissan 1_DAY_RETURN: -0.0145688800792864 2_DAY_RETURN: -0.0179385530227948 3_DAY_RETURN: -0.0179385530227948 7_DAY_RETURN: -0.0148662041625371
The stock shows a consistent negative return trend over the specified periods.