Why is Concord Enviro falling/rising?

As of 30-Jun, Concord Enviro Systems Ltd is experiencing a decline in its stock price, currently at Rs 572.95, which reflects a decrease of Rs 13.65 or 2.33%. Today's price summary indicates that the stock opened with a gain of 2.45% but subsequently fell to its intraday low of Rs 572.95, underperforming its sector by 3.5%. Over the past week, the stock has shown a positive return of 2.61%, but it has underperformed over the past month with a decline of 2.54%. Despite achieving its highest quarterly net sales and operating profit margins, the stock's year-to-date performance is notably poor, down 23.00%, while profits have fallen by 39% over the past year. Additionally, foreign institutional investors (FIIs) have reduced their holdings, which may contribute to negative sentiment around the stock.
In the broader market context, the Sensex has increased by 2.09% over the past week and 2.65% over the past month, indicating that the overall market is performing better than Concord Enviro. The stock's recent performance, particularly its significant drop today, contrasts sharply with the benchmark's gains, suggesting that investor confidence in Concord Enviro is waning. The company's low debt-to-equity ratio and attractive valuation metrics, such as a 2.2 price-to-book value, may not be sufficient to offset the negative trends in profitability and reduced institutional interest, leading to the current downward pressure on the stock price.