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: -0.0120120120120119 2_DAY_RETURN: -0.0060060060060058 3_DAY_RETURN: 0.006006006006006 7_DAY_RETURN: 0.0120120120120121
The stock shows a consistent positive return trend over the specified periods.