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: 0.0036972877937792 2_DAY_RETURN: 0.0036972877937792 3_DAY_RETURN: 0.0036972877937792 7_DAY_RETURN: 0.0211883031258887
The stock shows a consistent positive return trend over the specified periods.