Why is Vodafone Idea falling/rising?

As of 22-Aug, Vodafone Idea Ltd. is experiencing a price increase, currently at 7.07, which reflects a rise of 0.51 or 7.77%. The stock has outperformed its sector today by 7.11%, and its performance over the past week shows a significant increase of 14.96%. However, despite this short-term gain, the stock has underperformed over the longer term, with a year-to-date decline of 10.96% and a staggering 56.36% drop over the past year. The stock's moving averages indicate that it is currently higher than the 5-day, 20-day, and 50-day averages, but lower than the 100-day and 200-day averages. Additionally, there has been a notable decrease in investor participation, with delivery volume falling by 33.94% against the 5-day average, which may indicate waning interest despite the recent price uptick. The company also has a high institutional holding at 59.13%, suggesting that these investors may have a more informed perspective on the company's fundamentals.
In the broader market context, Vodafone Idea's recent performance contrasts sharply with the benchmark, as the Sensex has only increased by 0.88% over the past week. This disparity highlights the stock's volatility and risk, especially given its negative book value and weak long-term fundamental strength, characterized by a high Debt to EBITDA ratio of 9.60 times and a low return on equity of 3.89%. The stock's performance over the last year, with a return of -56.36%, significantly underperforms the market's negative returns of -2.49%, indicating that while there may be short-term gains, the long-term outlook remains precarious. The company's negative operating profits and flat results in June further contribute to its risk profile, making it a challenging investment despite today's positive movement.