Why is Indo Thai Sec. falling/rising?

As of 05-Sep, Indo Thai Securities Ltd's stock price is currently at 160.00, reflecting a decrease of 2.95, or 1.81%. Today's price summary indicates that the stock has underperformed its sector by 2.3% and has experienced a trend reversal after two consecutive days of gains. The stock opened with a gain of 2.49% but reached an intraday high of Rs 167 before falling to a low of Rs 154.85, showcasing high volatility with an intraday fluctuation of 5.97%. Despite a strong long-term fundamental outlook, including a 27.95% CAGR growth in operating profits and positive quarterly results, the stock's recent decline can be attributed to its expensive valuation, as indicated by a ROE of 4.4 and a Price to Book Value of 10.8, which is higher than its peers.
In the broader market context, the stock has shown a 3.93% increase over the past week, outperforming the Sensex, which has only risen by 1.13%. However, over the past month, Indo Thai Securities has declined by 17.78%, while the Sensex remained flat with a 0.00% change. This stark contrast in performance suggests that while the stock has had strong long-term returns, recent profit declines of 33.3% and a lack of domestic mutual fund investment may be contributing to investor caution, leading to the current downward movement in its stock price.