Why is Natl. Oxygen falling/rising?

As of 02-Jul, National Oxygen Ltd is currently priced at 124.70, reflecting an increase of 0.9 or 0.73%. The stock has been gaining momentum over the last two days, with a total return of 3.92% during this period. However, it has underperformed its sector by 0.26% today. Despite trading above all key moving averages, the stock is experiencing a decline in investor participation, as evidenced by a 33.28% drop in delivery volume compared to the five-day average. Additionally, the company faces significant challenges, including a negative book value and weak long-term growth, with net sales declining at an annual rate of 1.57% over the past five years. The recent negative financial results, including the lowest quarterly net sales and operating profit margins, further contribute to the stock's risky profile.
In the broader market context, National Oxygen Ltd's short-term performance of +7.31% over the past week contrasts with the Sensex's return of +0.79%, indicating a stronger short-term performance relative to the benchmark. However, the stock has significantly underperformed over the longer term, with a year-to-date decline of 6.84% compared to the Sensex's gain of 6.75%. This underperformance is compounded by the company's weak fundamentals, such as a poor EBIT to interest ratio and negative EBITDA, which suggest ongoing financial instability and risk for investors.