Why is Natl. Oxygen falling/rising?

As of 15-Jul, National Oxygen Ltd's stock price is currently at Rs 137.45, reflecting an increase of Rs 2.4 or 1.78%. The stock has shown positive momentum recently, with a performance today that outperformed its sector by 0.41%. It has been gaining for the last two days, accumulating a total return of 4.88% during this period. However, it opened with a loss of 3.22% today, indicating some volatility, and traded within a range of Rs 129 to Rs 140. Despite this, the stock is trading above its 5-day, 20-day, 50-day, 100-day, and 200-day moving averages. Nonetheless, the company faces significant challenges, including a negative book value and weak long-term growth, as evidenced by a decline in net sales and a poor EBIT to interest ratio, which may contribute to investor caution.
In the broader market context, National Oxygen Ltd has outperformed the Sensex in the short term, with a 1-week return of 6.43% compared to the benchmark's decline of 1.36%. However, over the longer term, the stock's year-to-date return of 2.69% lags behind the Sensex's 5.67% gain. The stock's performance is further complicated by a significant drop in delivery volume, which fell by 37.98% against the 5-day average, indicating a decrease in investor participation. This combination of short-term gains against a backdrop of long-term weaknesses and declining investor interest suggests that while the stock may be rising in the immediate term, underlying fundamentals remain a concern.