Compare the stock returns over 1, 2, 3, and 7 days after being mentioned in the tweet. Highlight any significant patterns or trends.
STOCK: Kellogg's 1_DAY_RETURN: 0.0082164612551352 2_DAY_RETURN: 0.0082164612551352 3_DAY_RETURN: 0.0082164612551352 7_DAY_RETURN: -0.0271993200169996
The stock shows a consistent negative return trend over the specified periods.