Why is TD Power Systems falling/rising?

As of 29-Jul, TD Power Systems Ltd is experiencing a price increase, currently at Rs 488.50, reflecting a rise of Rs 20.5 or 4.38%. Today's performance indicates that the stock outperformed its sector by 2.66%, reaching an intraday high of Rs 491.85, which is a 5.1% increase. The stock has shown strong long-term growth, with a remarkable annual operating profit growth rate of 80.65% and a net profit increase of 82.64%. Additionally, the company has consistently declared positive results over the last four quarters, contributing to its strong performance. However, there are concerns regarding a high valuation, as indicated by a Price to Book Value of 8.5, and a reduction in promoter confidence, with a 6.34% decrease in their stake.
In the broader market context, TD Power Systems has shown a slight decline of 0.65% over the past week, while the benchmark Sensex has fallen by 1.03%, indicating that the stock has outperformed the market in the short term. Year-to-date, TD Power Systems has generated a return of 8.29%, significantly better than the Sensex's 4.09%. Despite the positive performance metrics and strong growth indicators, the stock's premium valuation and decreasing promoter confidence may pose risks that could affect its future performance.