Why is Tata Technolog. falling/rising?

As of 09-Sep, Tata Technologies Ltd is currently priced at 679.85, reflecting a slight increase of 0.9 (0.13%). The stock has been gaining over the last two days, with a total return of 1.12% during this period. However, it has underperformed its sector by 2.04% today. In terms of longer-term performance, the stock has seen a decline of 36.89% over the past year, and while it has gained 3.15% in the last month, it still lags behind the benchmark Sensex, which has increased by 1.56%. The company exhibits high management efficiency with a return on equity (ROE) of 20.00% and a low debt-to-equity ratio, which are positive indicators. However, the stock's valuation appears expensive with a price-to-book value of 7.7, and it has reported flat results in its latest quarterly earnings, contributing to its overall negative performance.
Broader market context indicates that while Tata Technologies has seen some recent gains, it has still underperformed compared to the Sensex, which has risen by 1.18% over the past week. The IT sector, in which Tata Technologies operates, has gained by 2.18%, suggesting that the broader market is performing well, yet Tata Technologies is not fully capitalizing on this trend. Additionally, there has been a decrease in investor participation, with delivery volume falling by 1.8% against the five-day average, which may indicate waning interest among retail investors. Despite an increase in institutional investor stakes, the overall sentiment remains cautious due to the company's recent flat financial results and significant long-term underperformance.