Compare the stock returns over 1, 2, 3, and 7 days after being mentioned in the tweet. Highlight any significant patterns or trends.
STOCK: FedEx 1_DAY_RETURN: 0.0105956773853453 2_DAY_RETURN: -0.0006325777543488 3_DAY_RETURN: -0.0038481813389561 7_DAY_RETURN: -0.023299947285187
The stock shows a consistent negative return trend over the specified periods.