Why is Guj. Terce Labs. falling/rising?

As of 23-Sep, Gujarat Terce Laboratories Ltd is experiencing a price increase, currently at 42.50, reflecting a change of 0.9 or 2.16% upward. The stock has shown a positive trend recently, gaining 6.25% over the last three days and outperforming its sector by 2.51% today. However, despite this short-term gain, the stock has underperformed over the longer term, with a year-to-date decline of 49.88% and a one-year return of -34.77%. The company is facing significant challenges, including operating losses and a weak ability to service its debt, as indicated by a poor EBIT to Interest ratio of 0.02. Additionally, the stock's valuation appears expensive with a Price to Book Value of 5.1, and its recent financial performance has been disappointing, with net sales at their lowest and a return on equity of -15.3. In the broader market context, while the stock has shown a positive return of 1.26% over the past week, the benchmark Sensex has declined by 0.34% during the same period. This indicates that the stock's recent gains are somewhat isolated from the overall market trend. However, the stock's long-term performance remains concerning, as it has significantly underperformed the market over the past year, where the BSE500 index recorded a negative return of only -4.69%. The falling investor participation, with a delivery volume drop of 71.76% against the five-day average, suggests a lack of confidence among investors, which could impact future price movements despite the recent uptick.