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: -0.0040927694406548 2_DAY_RETURN: -0.015006821282401 3_DAY_RETURN: -0.0302864938608459 7_DAY_RETURN: -0.0515688949522509
The stock shows a consistent negative return trend over the specified periods.