Compare the stock returns over 1, 2, 3, and 7 days after being mentioned in the tweet. Highlight any significant patterns or trends.
STOCK: Shell 1_DAY_RETURN: -0.0045308665282235 2_DAY_RETURN: -0.0045308665282235 3_DAY_RETURN: -0.0045308665282235 7_DAY_RETURN: -0.0203888993770058
The stock shows a consistent negative return trend over the specified periods.