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: -0.0193548387096774 2_DAY_RETURN: -0.0561464690496948 3_DAY_RETURN: -0.0613775065387969 7_DAY_RETURN: -0.0709677419354838
The stock shows a consistent negative return trend over the specified periods.