Why is Medinova Diagno. falling/rising?

As of 18-Aug, Medinova Diagnostic Services Ltd is experiencing a decline in its stock price, currently at 41.60, reflecting a decrease of 0.5 or 1.19%. The stock has underperformed its sector by 1.84% today and has been on a downward trend for the last two days, with a total return of -3.26% over the past month. Despite a strong long-term performance, including an 11.68% increase year-to-date and a 16.85% rise over the past year, the company faces challenges such as a negative book value and weak long-term fundamental strength. The stock's liquidity is adequate, but there has been a notable decrease in investor participation, with delivery volume falling by 5.63% against the five-day average. In the broader market context, the Sensex has shown a positive return of 0.83% over the past week, contrasting with Medinova's decline of 1.86% in the same period. This suggests that while the overall market is performing well, Medinova is struggling, likely due to its high debt levels and flat financial results, which have raised concerns among investors. The company's poor operating profit growth and low return on capital employed further contribute to its risk profile, making it less attractive compared to its historical valuations.