Why is Sterlite Tech. falling/rising?

As of 25-Jul, Sterlite Technologies Ltd is experiencing a price increase, currently at Rs 117.00, reflecting a rise of 2.05 (1.78%). The stock has shown positive momentum, having outperformed its sector by 3.29% today and is only 4.32% away from its 52-week high of Rs 122.05. Over the past week, the stock has gained 1.47%, and in the last month, it has surged by 16.72%, contrasting with the Sensex, which has declined by 0.36% during the same period. Despite a recent two-day decline, the stock has reversed this trend, indicating a potential recovery. However, it is important to note that investor participation has decreased, with delivery volume falling by 43.02% against the five-day average, which may raise concerns about sustained interest.
In the broader market context, while Sterlite Technologies has shown strong short-term performance compared to the Sensex, which is down 1.56% over the last month, the stock's year-to-date return of 36.63% significantly outpaces the Sensex's 4.25% increase. The recent increase in institutional investor participation, with a 0.75% rise in their stake, suggests a growing confidence in the company's fundamentals, particularly given its strong operating profit to interest ratio and significant growth in net sales. However, the stock's profits have declined by 9.9% over the past year, which could temper enthusiasm among retail investors. Overall, the combination of positive financial indicators and institutional interest, alongside some concerns about declining retail participation, contributes to the stock's current upward movement.