Compare the stock returns over 1, 2, 3, and 7 days after being mentioned in the tweet. Highlight any significant patterns or trends.
STOCK: Volkswagen 1_DAY_RETURN: 0.004062191353108 2_DAY_RETURN: 0.008108452544047 3_DAY_RETURN: 0.0127122694109026 7_DAY_RETURN: 0.014050403033103
The stock shows a consistent positive return trend over the specified periods.