Why is Volt.Transform. falling/rising?

As of 24-Sep, Voltamp Transformers Ltd is experiencing a decline in its stock price, currently at 7,132.45, which reflects a decrease of 48.3 points or 0.67%. The stock has underperformed its sector by 0.37% today and has been on a downward trend for the last three days, accumulating a total decline of 3.76%. Over the past week, the stock has dropped by 3.32%, and its performance over the last month shows a significant decrease of 13.21%. The company has also reported a concerning trend in investor participation, with delivery volume falling by 37.61% against the five-day average. While the company has strong long-term fundamentals, including low debt and a healthy return on equity, recent financial results have been disappointing, with the lowest operating profit to net sales ratio recorded.
In the broader market context, Voltamp Transformers Ltd has underperformed the benchmark, with a one-year return of -48.73% compared to the Sensex's decline of only 3.77%. This stark contrast highlights the stock's struggles relative to the overall market, particularly as the BSE500 index has also shown negative returns of -5.32% in the same timeframe. The stock's valuation appears expensive with a Price to Book Value of 4.5, and despite its strong institutional holdings at 46.71%, the recent flat results and declining profitability have contributed to a lack of investor confidence, further exacerbating its price decline.