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: 0.0047152702212549 2_DAY_RETURN: 0.0010881392818281 3_DAY_RETURN: 0.0166848023213638 7_DAY_RETURN: -0.0397170837867246
The stock shows a consistent negative return trend over the specified periods.