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: -0.0199226880761225 2_DAY_RETURN: -0.0153137079988106 3_DAY_RETURN: -0.004311626523937 7_DAY_RETURN: -0.0020814748736247
The stock shows a consistent negative return trend over the specified periods.