Why is BSE falling/rising?

As of 08-Aug, BSE Ltd's stock price is currently at 2,392.90, reflecting a decrease of 49.3 points or 2.02%. Today's performance indicates that the stock has underperformed its sector by 1.5%. Although the stock is trading higher than its 100-day and 200-day moving averages, it is below its 5-day, 20-day, and 50-day moving averages. The stock has shown strong long-term fundamental strength, with an impressive 83.99% CAGR growth in operating profits and a net profit growth of 116.05%. However, despite these positive indicators, the stock's valuation appears very expensive with a Price to Book Value of 21.9, which may be contributing to the recent price decline. In the broader market context, BSE Ltd's short-term performance has been slightly better than the benchmark Sensex, with a 1-week return of -0.76% compared to the Sensex's -0.82%. However, over the past month, BSE Ltd has underperformed with a decline of 3.40%, while the Sensex fell by 4.54%. Despite the stock's strong historical returns, including a remarkable 176.09% increase over the past year, the current market sentiment may be influenced by its high valuation and recent price movements, leading to a decline in stock price.