Why is Sterlite Tech. falling/rising?

As of 21-Jul, Sterlite Technologies Ltd is experiencing a price increase, currently at Rs 116.90, reflecting a rise of 1.6 or 1.39%. The stock has shown strong performance recently, with a 12.51% increase over the past week and a 10.24% increase over the past month, significantly outperforming the Sensex, which has seen minimal changes. The stock is also close to its 52-week high, just 4.41% away from Rs 122.05, and has been trading above its moving averages across various time frames. However, there is a noted decline in investor participation, with delivery volume falling by 55.42% compared to the 5-day average. Positive financial results, including substantial growth in profit before tax and profit after tax, alongside an increase in institutional investor participation, have contributed to the stock's upward movement.
Broader market context indicates that while Sterlite Technologies has outperformed the benchmark, the Sensex has seen a slight decline of 0.06% over the past week. The stock's year-to-date return of 36.51% also significantly exceeds the Sensex's 5.20% increase, highlighting its strong market performance relative to broader market trends. Despite the positive indicators, the stock's performance over a three-year period shows it lagging behind the benchmark, which may suggest a need for caution among investors. Overall, the combination of strong recent performance, positive institutional interest, and favorable financial results supports the stock's rising price.