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: 0.0 2_DAY_RETURN: -0.0104759054175394 3_DAY_RETURN: -0.0119724633343309 7_DAY_RETURN: -0.0368153247530678
The stock shows a consistent negative return trend over the specified periods.