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: 0.0070246643771464 2_DAY_RETURN: -0.0123321885732126 3_DAY_RETURN: -0.0048392132375897 7_DAY_RETURN: -0.0012488292226038
The stock shows a consistent negative return trend over the specified periods.