Why is Envair Electrody falling/rising?

As of 13-Oct, Envair Electrody Ltd's stock price is rising, currently at Rs 75.00, reflecting an increase of Rs 4.69 or 6.67%. The stock has shown strong performance today, outperforming its sector by 7% and has gained consecutively for the last two days, accumulating a total return of 6.76% during this period. It opened with a significant gap up of 11.15% and reached an intraday high of Rs 78.15. However, despite this positive movement, there has been a notable decline in investor participation, with delivery volume dropping by 99.49% against the five-day average, indicating a potential concern regarding sustained interest in the stock.
Broader Market Context: In the short term, Envair Electrody's stock has outperformed the Sensex, with a weekly return of 4.15% compared to the benchmark's 0.66%. While the stock has shown positive momentum recently, it is important to note that its year-to-date performance remains significantly negative at -43.55%, contrasting with the Sensex's gain of 5.36%. This disparity highlights the stock's volatility and the challenges it has faced over a longer period, despite the recent uptick in price.