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: 0.0136741973840665 2_DAY_RETURN: 0.0114942528735631 3_DAY_RETURN: -0.003170828378914 7_DAY_RETURN: -0.0087197780420134
The stock shows a consistent negative return trend over the specified periods.