Compare the stock returns over 1, 2, 3, and 7 days after being mentioned in the tweet. Highlight any significant patterns or trends.
STOCK: Bayer 1_DAY_RETURN: 0.0 2_DAY_RETURN: 0.0 3_DAY_RETURN: 0.010307998012916 7_DAY_RETURN: 0.0197466467958271
The stock shows a consistent positive return trend over the specified periods.