Why is Shyam Telecom falling/rising?

As of 26-Jun, Shyam Telecom Ltd is experiencing a price increase, currently at 15.96, reflecting a change of 0.76 or 5.0% upward. Today's price summary indicates that the stock has outperformed its sector by 5.09% and has shown a trend reversal after four consecutive days of decline. However, despite this recent uptick, the stock has a mixed performance over different periods, with a 1-week decline of 14.33% and a year-to-date drop of 15.56%. The company faces significant challenges, including a negative book value and weak long-term growth, with net sales declining at an annual rate of 100% over the last five years, which contributes to its overall risk profile.
In the broader market context, Shyam Telecom's recent performance contrasts sharply with the Sensex, which has gained 2.94% over the past week and 7.19% year-to-date. This underperformance highlights the stock's volatility and the challenges it faces in attracting investor confidence. The falling investor participation, as indicated by a 16.78% decrease in delivery volume, further underscores the cautious sentiment surrounding the stock. While the stock's recent gain may suggest a temporary recovery, the underlying issues, including high debt levels and negative EBITDA, indicate that the stock remains a risky investment compared to its historical valuations.