Compare the stock returns over 1, 2, 3, and 7 days after being mentioned in the tweet. Highlight any significant patterns or trends.
STOCK: GSK 1_DAY_RETURN: -0.0107597000326051 2_DAY_RETURN: -0.0228236061297685 3_DAY_RETURN: -0.0091294424519074 7_DAY_RETURN: -0.0068470818389305
The stock shows a consistent negative return trend over the specified periods.