Why is Electrotherm(I) falling/rising?

As of 23-Sep, Electrotherm (India) Ltd is experiencing a price increase, currently at Rs 1,098.45, reflecting a rise of Rs 36.95 or 3.48%. Today's price summary indicates that the stock opened lower, down by 3.32%, but managed to reach an intraday high of Rs 1,114.55, showcasing a 5% increase during the trading session. Over the past week, the stock has outperformed the sector by 2.32% and has shown significant returns of 40.14% over the past month, despite a year-to-date decline of 11.02%. Positive factors contributing to this rise include an increase in institutional investor participation, which has grown by 0.67% in the last quarter, and consistent returns over the past three years. However, the company faces challenges such as a negative book value and poor long-term growth, with net sales and profits declining in recent quarters.
In the broader market context, while Electrotherm's stock has shown a strong short-term performance, the benchmark Sensex has seen a slight decline of 0.34% over the past week. This contrast highlights the stock's resilience and ability to attract investor interest despite broader market pressures. The company's recent performance, particularly its ability to outperform the sector and maintain investor interest, suggests that it is navigating its challenges effectively, even as it grapples with fundamental weaknesses.