Why is Quest Laborato. falling/rising?

As of 04-Aug, Quest Laboratories Ltd has seen its stock price rise to 100.10, reflecting an increase of 3.45 or 3.57%. The stock has outperformed its sector today by 3.75%, indicating a positive movement despite a recent trend of underperformance, as it has fallen 6.01% over the past week and 17.31% year-to-date. The stock's performance today included an intraday high of Rs 100.6, and while it is currently above its 20-day and 50-day moving averages, it remains below its 5-day, 100-day, and 200-day moving averages. Notably, there has been a significant decline in investor participation, with delivery volume dropping by 92.09% compared to the 5-day average, which may indicate reduced interest from investors.
In the broader market context, the Sensex has shown a slight increase of 0.17% over the past week, contrasting with Quest Laboratories' decline of 6.01%. Over the past month, however, the stock has performed better than the benchmark, gaining 5.59% while the Sensex decreased by 2.90%. This suggests that while the stock is experiencing a short-term rise, it has faced significant challenges over longer periods, including a 24.82% decline over the past year, compared to a minimal change in the Sensex. Overall, the stock's recent upward movement appears to be a temporary rebound amidst a backdrop of broader underperformance.