Why is Garware Hi Tech falling/rising?

As of 15-Sep, Garware Hi Tech Films Ltd is experiencing a price increase, with the current price at 3,337.05, reflecting a change of 23.5 or 0.71% upward. Today's price summary indicates that the stock's performance is in line with its sector, and it is currently trading higher than its 5-day, 20-day, and 50-day moving averages, although it remains below its 100-day and 200-day moving averages. Despite a recent decline in investor participation, as evidenced by a 31.94% drop in delivery volume against the 5-day average, the company maintains a low debt-to-equity ratio and has demonstrated healthy long-term growth, with net sales increasing at an annual rate of 20.40% and operating profit at 26.31%. The stock has consistently outperformed the BSE500 over the last three years, contributing to its positive momentum. In the broader market context, Garware Hi Tech has outperformed the Sensex in the short term, with a 9.98% return over the past week compared to the benchmark's 1.24%. This strong performance contrasts with its year-to-date return of -33.99%, which is significantly lower than the Sensex's 4.67% gain. The company's market capitalization of Rs 7,743 crore positions it as the largest in its sector, accounting for 26.11% of the industry. However, the stock's premium valuation, indicated by a 3.3 price-to-book ratio and a return on equity of 14, suggests that while the stock is currently rising, it may face challenges due to its expensive valuation relative to peers.