Compare the stock returns over 1, 2, 3, and 7 days after being mentioned in the tweet. Highlight any significant patterns or trends.
STOCK: BMW 1_DAY_RETURN: 0.0103203323951212 2_DAY_RETURN: 0.0199705133360138 3_DAY_RETURN: 0.0101863021042756 7_DAY_RETURN: -0.0075056962873609
The stock shows a consistent negative return trend over the specified periods.