Compare the stock returns over 1, 2, 3, and 7 days after being mentioned in the tweet. Highlight any significant patterns or trends.
STOCK: CBS 1_DAY_RETURN: -0.0043518806341311 2_DAY_RETURN: 0.002642213242151 3_DAY_RETURN: -0.0166304009947155 7_DAY_RETURN: -0.0069940938762822
The stock shows a consistent negative return trend over the specified periods.