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: -0.0094679891794409 2_DAY_RETURN: -0.0009017132551848 3_DAY_RETURN: -0.0067628494138863 7_DAY_RETURN: -0.0171325518485121
The stock shows a consistent negative return trend over the specified periods.