Why is Bharti Airtel PP falling/rising?

As of 26-Jun, Bharti Airtel Ltd Partly Paidup is experiencing a price increase, currently at Rs 1,510.00, which reflects a rise of Rs 20.0 or 1.34%. The stock has shown strong performance recently, gaining 3.76% over the last three days and outperforming the benchmark Sensex over various periods, including a 28.21% increase year-to-date compared to the Sensex's 7.19%. Despite this positive trend, the stock underperformed its sector by 0.96% today, and there has been a notable decline in investor participation, with delivery volume falling by 57.87% against the five-day average. Unfortunately, there is no information available regarding specific positive or negative factors impacting the stock.
Broader Market Context: In the context of the broader market, Bharti Airtel's recent performance has been impressive, particularly when compared to the Sensex, which has only increased by 2.94% over the past week. The telecommunications sector, in which Bharti Airtel operates, has also seen a gain of 2.31%, indicating a favorable environment for service providers. However, the decline in investor participation could suggest caution among traders, which may affect future price movements despite the stock's current upward trajectory.