Compare the stock returns over 1, 2, 3, and 7 days after being mentioned in the tweet. Highlight any significant patterns or trends.
STOCK: SAP 1_DAY_RETURN: 0.0034762456546929 2_DAY_RETURN: -0.0084974893781382 3_DAY_RETURN: -0.014870606411742 7_DAY_RETURN: -0.0415218230977211
The stock shows a consistent negative return trend over the specified periods.