Why is Hindalco Inds. falling/rising?

As of 10-Sep, Hindalco Industries Ltd is currently priced at 743.30, reflecting a slight increase of 0.7 (0.09%). The stock has been gaining momentum, having risen for the last two days with a total return of 0.65% during this period. It is trading close to its 52-week high, just 3.86% away from Rs 772. The stock's performance over the past month shows a significant increase of 10.48%, which is notably higher than the Sensex's 1.96% gain. Additionally, Hindalco has demonstrated strong fundamentals, with a low debt-to-equity ratio of 0.49 and impressive growth in net sales and operating profit. The company has consistently reported positive results for the last seven quarters, contributing to its attractive valuation and high institutional holdings at 56.68%.
In the broader market context, while Hindalco's short-term performance has been positive, it has underperformed the Sensex over the past week, gaining only 0.04% compared to the benchmark's 1.06%. However, its long-term performance remains robust, with a 23.53% increase year-to-date, significantly outpacing the Sensex's 4.21% rise. This combination of strong fundamentals, consistent performance, and a solid market position contributes to the stock's rising trend despite a recent decline in investor participation, as indicated by a 25.41% drop in delivery volume against the five-day average.