Why is Quest Laborato. falling/rising?

As of 23-Sep, Quest Laboratories Ltd is experiencing a price increase, with the current price at 97.00, reflecting a change of 1.05 or 1.09% upward. The stock has outperformed its sector today by 1.44%, although it is currently higher than its 5-day moving averages but lower than its 20-day, 50-day, 100-day, and 200-day moving averages. Additionally, the stock has seen a significant decline in investor participation, with delivery volume dropping by 40.17% compared to the 5-day average. Year-to-date, the stock is down 19.87%, indicating a challenging performance over a longer period despite today's positive movement.
In the broader market context, the stock's short-term return of +1.78% over the past week contrasts with the Sensex, which has decreased by 0.28%. This suggests that while Quest Laboratories Ltd is gaining traction in the short term, it has struggled over the past month and year, with declines of 2.76% and 18.83%, respectively, compared to the Sensex's positive performance. The overall market sentiment appears to be more favorable for the benchmark, which has gained 6.45% year-to-date, highlighting the challenges faced by Quest Laboratories Ltd in maintaining investor confidence despite today's rise.