Why is Artson falling/rising?

As of 22-Sep, Artson Ltd's stock price is rising, currently at Rs 206.55, reflecting an increase of 9.8 points or 4.98%. The stock has shown strong performance recently, gaining 21.5% over the last four days and outperforming its sector by 6.03% today. It opened with a gain of 4.98% and reached an intraday high of Rs 206.55. Additionally, Artson has demonstrated impressive returns over various periods, including a 20.90% increase over the past week and a 22.22% increase over the past month. However, there has been a notable decline in investor participation, with delivery volume falling by 39.23% against the five-day average, which could indicate a potential concern for future momentum.
Broader Market Context: In comparison to the benchmark Sensex, which has only increased by 0.46% over the past week, Artson's performance stands out significantly. The stock's year-to-date return of 11.95% also surpasses the Sensex's 5.15%, highlighting its strong relative strength in the market. Despite the positive price movements, the decline in delivery volume suggests that while the stock is currently rising, there may be underlying factors that could affect its sustainability in the near term.