Compare the stock returns over 1, 2, 3, and 7 days after being mentioned in the tweet. Highlight any significant patterns or trends.
STOCK: HSBC 1_DAY_RETURN: 0.0053222945002957 2_DAY_RETURN: 0.0165582495564755 3_DAY_RETURN: 0.0165582495564755 7_DAY_RETURN: -0.0053222945002957
The stock shows a consistent negative return trend over the specified periods.