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: -0.030574880995972 2_DAY_RETURN: -0.037165873306481 3_DAY_RETURN: -0.0292932991578175 7_DAY_RETURN: -0.029476382277554
The stock shows a consistent negative return trend over the specified periods.