Why is Tilaknagar Inds. falling/rising?

As of 19-Sep, Tilaknagar Industries Ltd is experiencing a decline in its stock price, currently at 459.30, which reflects a decrease of 9.05 points or 1.93%. The stock has underperformed its sector by 2.11% today and has been on a consecutive downward trend for the last three days, resulting in a total decline of 4.35%. Despite the stock's impressive long-term performance, including a 47.99% return over the past year and a staggering 404.45% increase over the last three years, it has recently faced challenges. The company has shown strong financial growth, with a net profit increase of 121.05% and consistent positive results over the last five quarters; however, the high valuation indicated by a 10.1 Price to Book Value and the fact that 35% of promoter shares are pledged may be contributing to investor concerns and the stock's current decline.
In the broader market context, Tilaknagar's short-term performance has been notably weak compared to the benchmark, with a 1-week return of -2.14% against the Sensex's gain of 0.88%. This underperformance highlights the stock's struggles in the current market environment, particularly as it has fallen more sharply than the overall market trend. The liquidity of the stock remains adequate, with a delivery volume increase of 5.96% on September 18, suggesting some investor interest, but the overall sentiment appears to be cautious due to the high levels of pledged shares and the stock's expensive valuation relative to its peers.