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: 0.0 2_DAY_RETURN: 0.0064627019594362 3_DAY_RETURN: 0.0083190099690615 7_DAY_RETURN: 0.007081471295978
The stock shows a consistent positive return trend over the specified periods.