Compare the stock returns over 1, 2, 3, and 7 days after being mentioned in the tweet. Highlight any significant patterns or trends.
STOCK: Viacom 1_DAY_RETURN: -0.0042979942693409 2_DAY_RETURN: -0.0042979942693409 3_DAY_RETURN: 0.0229226361031519 7_DAY_RETURN: 0.0386819484240688
The stock shows a consistent positive return trend over the specified periods.