Compare the stock returns over 1, 2, 3, and 7 days after being mentioned in the tweet. Highlight any significant patterns or trends.
STOCK: Expedia 1_DAY_RETURN: 0.0 2_DAY_RETURN: 0.0 3_DAY_RETURN: -0.0243153526970954 7_DAY_RETURN: -0.018091286307054
The stock shows a consistent negative return trend over the specified periods.