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: -0.001993024414549 2_DAY_RETURN: -0.001993024414549 3_DAY_RETURN: -0.001993024414549 7_DAY_RETURN: -0.0029895366218236
The stock shows a consistent negative return trend over the specified periods.