Compare the stock returns over 1, 2, 3, and 7 days after being mentioned in the tweet. Highlight any significant patterns or trends.
STOCK: Cisco 1_DAY_RETURN: 0.0035807291666666 2_DAY_RETURN: 0.0084635416666667 3_DAY_RETURN: 0.0084635416666667 7_DAY_RETURN: -0.0039062499999999
The stock shows a consistent negative return trend over the specified periods.