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: -0.0119322555812162 2_DAY_RETURN: -0.0182832948421863 3_DAY_RETURN: -0.0321401077752117 7_DAY_RETURN: -0.0443610469591993
The stock shows a consistent negative return trend over the specified periods.