Why is Medinova Diagno. falling/rising?

As of 08-Sep, Medinova Diagnostic Services Ltd is currently priced at 42.50, reflecting a decrease of 0.4 or 0.93%. The stock has recently experienced a trend reversal, falling after three consecutive days of gains. Despite this decline, it is noteworthy that Medinova has outperformed the benchmark Sensex over various periods, including a 4.40% increase over the past week and a 14.09% rise year-to-date. However, the company faces challenges such as a negative book value and weak long-term fundamental strength, with net sales growing at an annual rate of only 7.48% and operating profit stagnating at 0% over the last five years. These factors contribute to the stock's current downward movement.
In the broader market context, Medinova's short-term performance has outpaced the Sensex, which only increased by 0.53% over the past week. While the stock has shown strong returns in the long term, it is currently trading at a risky valuation compared to its historical averages, with a PEG ratio of 6.9. The liquidity of the stock remains adequate, as indicated by a significant increase in delivery volume, suggesting rising investor participation. Nonetheless, the combination of high debt and flat financial results, including the lowest recorded ROCE and inventory turnover ratio, raises concerns about the company's future growth prospects, contributing to the stock's recent decline.