Why is Aban Offshore falling/rising?

As of 11-Jun, Aban Offshore Ltd's stock price is currently at 55.74, reflecting an increase of 2.75 or 5.19%. The stock has been on an upward trajectory, gaining for the last four consecutive days and achieving a total return of 17.45% during this period. It has outperformed its sector by 3.94% today and reached an intraday high of Rs 57.8. However, despite these positive short-term movements, the company faces significant challenges, including a negative book value and a high debt-to-equity ratio. The company's long-term fundamentals appear weak, with net sales declining at an annual rate of -13.36% over the last five years, which could impact investor confidence moving forward.
In the broader market context, Aban Offshore's recent performance stands in stark contrast to the benchmark Sensex, which has only increased by 1.87% over the past week. While the stock has shown impressive short-term gains, it has underperformed the market over the last year, with a decline of -23.19% compared to the Sensex's 7.92% increase. Additionally, the falling participation of institutional investors, who have reduced their stake by -0.77%, suggests a lack of confidence in the company's long-term prospects, which could weigh on the stock's performance despite its recent gains.