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: 0.013719512195122 2_DAY_RETURN: 0.0152439024390243 3_DAY_RETURN: 0.0152439024390243 7_DAY_RETURN: 0.0213414634146342
The stock shows a consistent positive return trend over the specified periods.