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: 0.0075187969924812 2_DAY_RETURN: -0.0300751879699248 3_DAY_RETURN: -0.0488721804511278 7_DAY_RETURN: -0.0601503759398496
The stock shows a consistent negative return trend over the specified periods.