Why is Star Delta Trans falling/rising?

As of 15-Sep, Star Delta Transformers Ltd's stock price is currently at 613.95, reflecting a decrease of 4.95, or 0.8%. The stock has been underperforming, having fallen consecutively for the last two days, resulting in a total decline of 1.76% during this period. It has also underperformed its sector by 1.46%. The stock is trading below all key moving averages, indicating a bearish trend. Over the past week, it has experienced a decline of 4.52%, while its year-to-date performance shows a significant drop of 32.97%. Despite a healthy long-term growth in net sales and operating profit, the stock's recent performance is hampered by poor management efficiency, as evidenced by a low return on equity of 9.32% and disappointing quarterly results.
In the broader market context, the Sensex has shown a positive return of 1.24% over the past week, contrasting sharply with Star Delta's negative performance. This divergence highlights the stock's struggles relative to the market. While the company has a low debt-to-equity ratio and an attractive valuation compared to peers, its recent underperformance in the market, coupled with flat quarterly results and a significant drop in investor participation, suggests a lack of confidence among investors. The stock's performance over the past year, with a return of -21.76% compared to the market's -1.33%, further underscores its challenges in attracting investment and maintaining momentum.