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: -0.003610108303249 2_DAY_RETURN: 0.011913357400722 3_DAY_RETURN: 0.011913357400722 7_DAY_RETURN: -0.0507220216606497
The stock shows a consistent negative return trend over the specified periods.