Compare the stock returns over 1, 2, 3, and 7 days after being mentioned in the tweet. Highlight any significant patterns or trends.
STOCK: Tesco 1_DAY_RETURN: -0.01201529219006 2_DAY_RETURN: -0.003823047515019 3_DAY_RETURN: -0.0122883670125614 7_DAY_RETURN: 0.00600764609503
The stock shows a consistent positive return trend over the specified periods.