Why is Natl. Oxygen falling/rising?

As of 29-Jul, National Oxygen Ltd's stock price is currently at 137.85, reflecting a slight increase of 0.05 (0.04%). The stock has shown a positive trend recently, gaining for the last two days with a total return of 1.36%. However, despite this short-term gain, the stock has underperformed over the past week with a decline of 3.60%, while it has outperformed the sector today by 0.64%. The stock's performance is further complicated by a negative book value and weak long-term fundamentals, as evidenced by a poor annual growth rate in net sales of -1.57% over the last five years and a concerning EBIT to interest ratio of 0.95. Additionally, the company reported negative results in March, including the lowest quarterly net sales and operating profit margins, which contribute to the perception of risk surrounding the stock.
Broader market context indicates that while National Oxygen Ltd has outperformed the Sensex in the short term, the broader market has shown mixed results. The Sensex has declined by 1.03% over the past week, which is less severe than the stock's decline, suggesting that the stock's recent gains may not be indicative of a broader recovery. Year-to-date, the stock has returned 2.99%, which is lower than the Sensex's 4.09% return, indicating that while there may be short-term fluctuations, the stock's long-term outlook remains uncertain due to its weak financial fundamentals and declining investor participation, as shown by a significant drop in delivery volume.