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: -0.0083258994944989 2_DAY_RETURN: -0.0044603033006246 3_DAY_RETURN: 0.0038655961938743 7_DAY_RETURN: -0.0077311923877491
The stock shows a consistent negative return trend over the specified periods.