Why is Z-Tech (India) falling/rising?

As of 22-Sep, Z-Tech (India) Ltd is experiencing a decline in its stock price, currently at 604.50, down by 5.1 points or 0.84%. Despite this drop, the stock has shown strong performance over the past week and month, with returns of 1.47% and 14.56%, respectively. However, today the stock underperformed its sector by 0.34%. The stock is trading above its moving averages across various time frames, indicating a generally positive trend. Nonetheless, there has been a significant decrease in investor participation, with delivery volume falling by 50.57% compared to the 5-day average. The company has a low debt-to-equity ratio and has reported impressive growth in net sales and operating profit, contributing to its strong performance over the past year, where it generated an 82.88% return despite the broader market's negative performance.
In the broader market context, Z-Tech's recent performance contrasts with the benchmark, as it has outperformed the Sensex, which has only returned 0.53% over the past week and 1.34% over the past month. While the stock has shown remarkable growth, concerns about its high valuation, indicated by a Price to Book Value of 5.9, and the lack of domestic mutual fund investment may be contributing to the current price decline. The market's overall negative sentiment, coupled with the company's relatively high valuation compared to its returns, suggests that investors may be cautious, leading to the observed price movement.