Compare the stock returns over 1, 2, 3, and 7 days after being mentioned in the tweet. Highlight any significant patterns or trends.
STOCK: eBay 1_DAY_RETURN: -0.05545986910093 2_DAY_RETURN: -0.0761281433000344 3_DAY_RETURN: -0.058215638994144 7_DAY_RETURN: -0.0599379951774027
The stock shows a consistent negative return trend over the specified periods.