Why is Unichem Labs. falling/rising?

As of 15-Jul, Unichem Laboratories Ltd is currently priced at 603.35, reflecting a decrease of 1.65, or 0.27%. Today's price summary indicates that the stock underperformed its sector by 1.52%, with an intraday high of Rs 620 and a low of Rs 587.5. The stock has shown mixed performance over various periods, with a 1-week return of +0.47% but a year-to-date decline of -17.91%. Despite positive financial indicators such as a 10.15% growth in net sales and a significant increase in profits, the stock's recent movement has been hindered by falling investor participation, as evidenced by a 28.54% drop in delivery volume compared to the 5-day average.
In the broader market context, the stock's short-term performance contrasts with the benchmark, as the Sensex has declined by 1.36% over the past week while Unichem's stock has gained slightly. However, the stock's year-to-date performance significantly lags behind the Sensex's 5.67% increase. Despite the company's strong fundamentals, including a low debt-to-equity ratio and consistent returns over the last three years, the current market sentiment appears to be affecting its price negatively. The stock is trading at a discount compared to peers, which may attract long-term investors, but the immediate outlook remains challenging due to lower trading volumes and sector underperformance.