Why is Shakti Pumps falling/rising?

As of 18-Sep, Shakti Pumps (India) Ltd is experiencing a decline in its stock price, currently at 869.90, reflecting a decrease of 8.6 points or 0.98%. The stock has underperformed its sector by 1.05% today and has been on a downward trend for the last two days, with a total return loss of 1.89%. Despite a strong performance over the past year, where it generated a return of 23.35%, the stock has seen a year-to-date decline of 18.25%. The company's moving averages indicate that while it is higher than the 5-day, 20-day, and 50-day averages, it is lower than the 100-day and 200-day averages. Additionally, there has been a significant drop in investor participation, with delivery volume falling by 50.09% compared to the 5-day average.
In the broader market context, Shakti Pumps' recent performance contrasts with the benchmark Sensex, which has increased by 1.80% over the past week. The stock's high management efficiency, low debt-to-equity ratio, and consistent positive results over the last seven quarters suggest strong fundamentals. However, the stock is considered expensive with a high Price to Book Value of 9.2, which may deter some investors. The company's robust growth in net sales and operating profit, alongside a favorable PEG ratio of 0.3, indicates potential for long-term growth, yet the recent price decline reflects market concerns over its valuation compared to peers.