Why is Yash Optics falling/rising?

As of 09-Sep, Yash Optics & Lens Ltd is experiencing a price increase, currently at Rs. 137.25, which reflects a rise of Rs. 3.25 or 2.43%. The stock has recently hit a new 52-week and all-time high of Rs. 139, indicating strong upward momentum. It has outperformed its sector by 3.16% today and is trading above its 5-day, 20-day, 50-day, 100-day, and 200-day moving averages, suggesting positive technical indicators. However, there has been a decline in investor participation, with delivery volume falling by 17.65% compared to the 5-day average, which may indicate some caution among investors. Unfortunately, there is no information available regarding positive or negative factors that could further explain the stock's recent movement.
In the broader market context, Yash Optics has shown impressive returns over various periods, with a 1-week increase of 6.81% compared to the Sensex's 1.18%, and a remarkable 48.06% rise over the past month against the Sensex's 2.07%. Year-to-date, the stock has gained 57.76%, significantly outperforming the Sensex's 5.18% increase. Over the past year, Yash Optics has risen by 44.63%, while the Sensex has slightly declined by 0.27%. This strong performance relative to the benchmark indicates that investor sentiment remains positive towards Yash Optics, despite the recent drop in delivery volume.