Compare the stock returns over 1, 2, 3, and 7 days after being mentioned in the tweet. Highlight any significant patterns or trends.
STOCK: Siemens 1_DAY_RETURN: -0.0001387392681096 2_DAY_RETURN: -0.0031420363660105 3_DAY_RETURN: -0.0031420363660105 7_DAY_RETURN: 0.0183707113243885
The stock shows a consistent positive return trend over the specified periods.