Why is SPARC falling/rising?

As of 29-Sep, Sun Pharma Advanced Research Company Ltd (SPARC) is experiencing a decline in its stock price, currently at Rs 129.00, reflecting a decrease of Rs 2.85 or 2.16%. The stock has been underperforming significantly, having lost 10.79% over the last eight days, and is trading below all key moving averages. In the past week, SPARC has dropped by 8.54%, while its performance over the last month shows a decline of 7.86%. The company has reported negative financial indicators, including a negative book value and a weak long-term growth rate, with net sales decreasing at an annual rate of 23.40%. Additionally, the stock's ability to service its debt is compromised, as indicated by a poor EBIT to interest ratio, which further contributes to its downward trajectory. In the broader market context, SPARC's recent performance contrasts sharply with the benchmark, as it has consistently underperformed against the BSE500 over the past three years. While the benchmark has shown a slight increase of 0.70% over the last month, SPARC's significant decline highlights its struggles in the market. The stock's liquidity remains adequate for trading, but the overall sentiment is negative due to its weak fundamentals and recent poor financial results, including the lowest quarterly net sales reported. This combination of factors has led to a lack of investor confidence, contributing to the ongoing decline in SPARC's stock price.