Why is Atmastco Ltd falling/rising?

As of 25-Jul, Atmastco Ltd's stock price is currently at 221.35, reflecting a decrease of 7.75, or 3.38%. The stock has underperformed its sector today by 1.54%. Additionally, the stock's performance over the past week shows a significant decline of 11.37%, while it has increased by 17.24% over the past month. However, year-to-date, the stock is down 18.93%, and over the past year, it has fallen by 28.04%. The delivery volume has also seen a drastic drop of 83.46% compared to the 5-day average, indicating a decrease in investor participation. Unfortunately, there is no information available regarding positive or negative factors that could further explain the stock's recent movement.
In the broader market context, Atmastco Ltd's short-term performance has been notably weaker than the benchmark, with a 1-week decline of 11.37% compared to the Sensex's minor drop of 0.53%. This underperformance highlights a concerning trend for the stock, especially as it has not only lagged behind the benchmark in the short term but also in the longer-term metrics, such as the year-to-date and one-year returns. The overall market has shown a positive return of 5.04% year-to-date, contrasting sharply with Atmastco's significant losses, which may further contribute to negative sentiment surrounding the stock.