Why is Emerald Tyre falling/rising?

As of 15-Sep, Emerald Tyre Manufacturers Ltd is experiencing a price increase, with its current price at 131.95, reflecting a rise of 2.5 or 1.93%. The stock has shown a performance today that outperformed its sector by 1.22%. Additionally, the stock's delivery volume on 12 September has significantly increased by 344.1% compared to the 5-day average, indicating rising investor participation. However, despite today's positive movement, the stock has underperformed over the past week and month, with declines of 2.98% and 4.56%, respectively, and a year-to-date drop of 26.51%. There is no information available regarding positive or negative factors that could further explain the stock's recent movement.
Broader market context indicates that while Emerald Tyre's stock has risen today, it has not kept pace with the benchmark, the Sensex, which has gained 1.20% over the past week and 1.78% over the past month. This suggests that despite today's uptick, the stock is still struggling in the broader market environment, which has shown positive returns. The stock's performance relative to the benchmark highlights ongoing challenges, as it has significantly lagged behind the Sensex in year-to-date performance.