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: -0.0109599894361547 2_DAY_RETURN: -0.0109599894361547 3_DAY_RETURN: -0.0109599894361547 7_DAY_RETURN: -0.01650600818698
The stock shows a consistent negative return trend over the specified periods.