Compare the stock returns over 1, 2, 3, and 7 days after being mentioned in the tweet. Highlight any significant patterns or trends.
STOCK: Hyundai 1_DAY_RETURN: -0.0211864406779661 2_DAY_RETURN: -0.0211864406779661 3_DAY_RETURN: -0.0211864406779661 7_DAY_RETURN: -0.0381355932203389
The stock shows a consistent negative return trend over the specified periods.