Why is A B B falling/rising?

As of 19-Aug, ABB India Ltd's stock price is currently at 5,075.00, reflecting an increase of 31.5, or 0.62%. The stock has been gaining for the last two days, with a total return of 0.92% during this period. However, over the past month, the stock has seen a significant decline of 10.08%, and its year-to-date performance shows a drop of 26.66%. Despite this, the company exhibits strong long-term fundamentals, including a low debt-to-equity ratio and a high return on capital employed. Nevertheless, recent financial results indicate a decline in profit after tax and operating profit margins, which may contribute to investor caution.
In the broader market context, ABB India Ltd has underperformed compared to the benchmark Sensex, which has gained 1.76% over the past week. While the stock's recent performance shows some positive movement, its longer-term returns are concerning, with a year-over-year decline of 35.09% against the Sensex's modest gain of 1.52%. This underperformance, coupled with a high price-to-book ratio and a relatively expensive valuation compared to peers, suggests that while there may be short-term gains, the stock faces significant challenges that could impact its attractiveness to investors in the longer term.