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: 0.036741767764298 2_DAY_RETURN: 0.081369150779896 3_DAY_RETURN: 0.081369150779896 7_DAY_RETURN: 0.137001733102253
The stock shows a consistent positive return trend over the specified periods.