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: -0.0192354222114687 2_DAY_RETURN: -0.0234696346479554 3_DAY_RETURN: -0.0198403097023953 7_DAY_RETURN: -0.0214130171788046
The stock shows a consistent negative return trend over the specified periods.