Why is Star Delta Trans falling/rising?

As of 19-Aug, Star Delta Transformers Ltd is experiencing a price increase, currently at 585.00, which reflects a gain of 5.0 (0.86%). Today's price summary indicates a trend reversal as the stock has gained after six consecutive days of decline, reaching an intraday high of Rs 598.5. However, it also touched a low of Rs 562.55 during the day. The stock has underperformed in the past month with a return of -19.31%, and over the last year, it has declined by 23.38%. Despite these challenges, the company has shown healthy long-term growth with net sales increasing at an annual rate of 31.81% and operating profit at 49.52%. The low debt-to-equity ratio and attractive valuation with a price-to-book value of 2.1 suggest some positive fundamentals, although the low return on equity of 9.32% indicates poor management efficiency.
In the broader market context, the Sensex has gained 1.76% over the past week, contrasting with Star Delta's decline of 2.46% during the same period. This underperformance highlights the stock's struggles relative to the market. While the stock's recent price movement shows a slight recovery, it remains below its moving averages, indicating ongoing challenges. The increase in delivery volume suggests rising investor participation, which may support the stock's price in the short term. However, the overall negative sentiment from the company's flat quarterly results and significant underperformance compared to the broader market continues to weigh on investor confidence.