Compare the stock returns over 1, 2, 3, and 7 days after being mentioned in the tweet. Highlight any significant patterns or trends.
STOCK: salesforce.com 1_DAY_RETURN: 0.0291935032203863 2_DAY_RETURN: 0.0322038644637356 3_DAY_RETURN: -0.0062307476897228 7_DAY_RETURN: -0.0252030243629235
The stock shows a consistent negative return trend over the specified periods.