Compare the stock returns over 1, 2, 3, and 7 days after being mentioned in the tweet. Highlight any significant patterns or trends.
STOCK: Santander 1_DAY_RETURN: 0.0 2_DAY_RETURN: 0.0032727272727271 3_DAY_RETURN: 0.0327272727272726 7_DAY_RETURN: 0.0235151515151514
The stock shows a consistent positive return trend over the specified periods.