Compare the stock returns over 1, 2, 3, and 7 days after being mentioned in the tweet. Highlight any significant patterns or trends.
STOCK: McDonald's 1_DAY_RETURN: -0.004074051884249 2_DAY_RETURN: -0.0091067042118507 3_DAY_RETURN: -0.0091067042118507 7_DAY_RETURN: -0.0181534958959918
The stock shows a consistent negative return trend over the specified periods.