Compare the stock returns over 1, 2, 3, and 7 days after being mentioned in the tweet. Highlight any significant patterns or trends.
STOCK: Walmart 1_DAY_RETURN: 0.0017625712804562 2_DAY_RETURN: -0.0113011923276309 3_DAY_RETURN: -0.0061171591498185 7_DAY_RETURN: -0.0036288232244687
The stock shows a consistent negative return trend over the specified periods.