Why is Star Delta Trans falling/rising?

As of 18-Sep, Star Delta Transformers Ltd is experiencing a slight decline in its stock price, currently at 631.85, reflecting a decrease of 0.55 or 0.09%. The stock has underperformed its sector today by 0.48% and has shown a trend reversal after two consecutive days of gains. Although the stock is trading above its 5-day and 20-day moving averages, it remains below the 50-day, 100-day, and 200-day moving averages. In terms of performance against benchmarks, the stock has returned -17.83% over the past year, significantly underperforming the Sensex, which has only fallen by 0.08%. The company has a low Debt to Equity ratio and has shown healthy long-term growth in net sales and operating profit, but it also faces challenges such as poor management efficiency and flat quarterly results, which may contribute to the recent price movement.
Broader market context indicates that the stock's short-term performance has lagged behind the Sensex, which has gained 1.80% over the past week compared to Star Delta's 1.10% increase. The broader market has shown resilience, with a year-to-date return of 6.24% for the Sensex, contrasting sharply with Star Delta's significant decline of 31.01% in the same period. This disparity highlights the stock's struggles in a generally improving market environment, further compounded by a decrease in investor participation, as evidenced by a 14.58% drop in delivery volume against the 5-day average.