Why is Quest Laborato. falling/rising?

As of 19-Sep, Quest Laboratories Ltd is experiencing a decline in its stock price, currently at 96.55, which represents a decrease of 0.45 or 0.46%. The stock has underperformed its sector by 0.73% today and is trading lower than its 5-day, 20-day, 50-day, 100-day, and 200-day moving averages. Additionally, there has been a significant drop in investor participation, with delivery volume falling by 35% compared to the 5-day average. Over the past week, the stock has decreased by 0.97%, and it has shown a year-to-date decline of 20.24%, indicating a consistent downward trend with no positive factors available to counterbalance this performance.
In the broader market context, the Sensex has shown a positive return of 0.85% over the past week, contrasting sharply with Quest Laboratories' negative performance. While the benchmark has increased by 1.39% over the past month, Quest Laboratories has declined by 2.57%, further highlighting its underperformance. The stock's year-to-date return of -20.24% also starkly contrasts with the Sensex's gain of 7.11%, suggesting that the company is struggling significantly compared to the overall market.