Compare the stock returns over 1, 2, 3, and 7 days after being mentioned in the tweet. Highlight any significant patterns or trends.
STOCK: Vodafone 1_DAY_RETURN: -0.0019811788013868 2_DAY_RETURN: 0.0047052996532936 3_DAY_RETURN: 0.0047052996532936 7_DAY_RETURN: -0.0061911837543338
The stock shows a consistent negative return trend over the specified periods.