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: 0.006598586017282 2_DAY_RETURN: 0.0087981146897093 3_DAY_RETURN: 0.00942655145326 7_DAY_RETURN: -0.0196386488609583
The stock shows a consistent negative return trend over the specified periods.