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: -0.0057341798074954 2_DAY_RETURN: -0.007099460714042 3_DAY_RETURN: -0.007099460714042 7_DAY_RETURN: -0.0055293876715134
The stock shows a consistent negative return trend over the specified periods.