Why is Bharti Airtel PP falling/rising?

As of 17-Sep, Bharti Airtel Ltd Partly Paidup is experiencing a price increase, with its current price at 1,482.00, reflecting a rise of 8.15 or 0.55%. The stock has shown strong performance recently, gaining 2.38% over the last two days and outperforming its sector by 0.67% today. Additionally, the stock has demonstrated impressive returns over various periods, including a year-to-date increase of 25.83% and a three-year return of 291.24%. However, there has been a notable decline in investor participation, with delivery volume falling by 47.68% compared to the five-day average, which may indicate a potential concern for future momentum.
In the broader market context, Bharti Airtel's short-term performance of 3.24% over the past week significantly outpaces the Sensex's return of 1.56% during the same period. This suggests that while the stock is performing well relative to the market, the drop in delivery volume could be a signal of waning investor interest, which might affect its future price movements. Overall, the stock's strong returns and positive short-term performance contrast with the declining participation, creating a complex picture of its current market position.