Compare the stock returns over 1, 2, 3, and 7 days after being mentioned in the tweet. Highlight any significant patterns or trends.
STOCK: IBM 1_DAY_RETURN: -0.0016079016882966 2_DAY_RETURN: -0.0011485012059262 3_DAY_RETURN: 0.0021247272309636 7_DAY_RETURN: -0.0017801768691855
The stock shows a consistent negative return trend over the specified periods.