Why is BSE falling/rising?

As of 18-Jul, BSE Ltd's stock price is currently at 2,448.50, reflecting a decrease of 26.4 points or 1.07%. Today's price summary indicates that the stock has underperformed its sector by 0.78%, with a notable decline in investor participation, as evidenced by a 36.44% drop in delivery volume compared to the 5-day average. Despite this recent downturn, the stock has shown strong performance over the longer term, with a year-to-date return of 37.91% and an impressive 219.27% increase over the past year. The company has demonstrated robust financial health, with a significant growth in net profit and operating profits, which has contributed to its strong buy rating. However, the stock's high valuation, indicated by a Price to Book Value of 22.5, raises concerns about its current price sustainability.
In the broader market context, BSE Ltd's short-term performance contrasts with the Sensex, which has declined by 0.72% over the past week while BSE Ltd has gained 3.26%. This suggests that while the stock has been performing well relative to the benchmark in the short term, the recent price drop may be influenced by a combination of falling investor participation and high valuation concerns. The stock's liquidity remains adequate for trading, but the overall market sentiment appears cautious, potentially impacting future price movements.