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: -0.0060257432509397 2_DAY_RETURN: -0.0072103884269278 3_DAY_RETURN: -0.0072103884269278 7_DAY_RETURN: -0.0169381478528307
The stock shows a consistent negative return trend over the specified periods.