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

As of 23-Sep, Z-Tech (India) Ltd is experiencing a slight decline in its stock price, currently at 603.85, reflecting a change of -0.65 (-0.11%). Despite this minor drop, the stock has shown strong performance over the past week, with a return of +1.57%, and has outperformed its sector by 0.55% today. The stock's moving averages indicate that it is performing better than the 20-day, 50-day, 100-day, and 200-day averages, although it is lower than the 5-day moving average. Additionally, the company has demonstrated robust growth, with net sales increasing by 44.57% and a significant rise in profit after tax by 128.97% over the last six months. However, there is a notable decline in investor participation, with delivery volume falling by 45.18% compared to the 5-day average.
In the broader market context, Z-Tech's performance contrasts sharply with the benchmark Sensex, which has seen a decline of -0.28% over the past week. While the stock has generated an impressive return of 74.00% over the past year, the overall market (BSE500) has produced negative returns of -4.69%. This disparity highlights the stock's ability to outperform despite broader market challenges. However, the company's high valuation, indicated by a price-to-book value of 5.9, and the lack of domestic mutual fund investment may raise concerns among investors, potentially contributing to the current price movement.