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: -0.0042611894543225 2_DAY_RETURN: 0.0049662783568363 3_DAY_RETURN: 0.0049662783568363 7_DAY_RETURN: -0.0265276926221132
The stock shows a consistent negative return trend over the specified periods.