Why is TD Power Systems falling/rising?

As of 23-Sep, TD Power Systems Ltd is experiencing a price increase, currently at 550.05, reflecting a rise of 8.05 or 1.49%. The stock has shown strong performance today, outperforming its sector by the same percentage increase. It is also close to its 52-week high, just 4.66% away from Rs 575.7, and has been trading above its moving averages across various timeframes. Over the past week, the stock has gained 1.27%, and it has delivered impressive returns of 39.61% over the past year, significantly outperforming the BSE500 index. However, there is a noted decline in investor participation, with delivery volume dropping by 42.59% against the 5-day average, which may raise concerns about liquidity despite the stock's overall healthy trading environment.
In the broader market context, TD Power Systems has outperformed the Sensex, which has seen a decline of 0.34% over the past week. The company benefits from a low debt-to-equity ratio and consistent positive results over the last five quarters, contributing to its strong growth narrative. However, there are risks associated with its high valuation and decreasing promoter confidence, as they have reduced their stake by 6.34% in the last quarter. While the stock's recent performance is bolstered by solid operating profits and returns, the concerns regarding promoter confidence and high valuation could temper future expectations.