Why is C.E. Info System falling/rising?

As of 12-Sep, C.E. Info Systems Ltd is experiencing a decline in its stock price, currently at 1,635.10, reflecting a decrease of 11.5 points or 0.7%. The stock has underperformed its sector by 0.9% today and has been on a consecutive downward trend for the last two days, resulting in a total decline of 1.07% during this period. Additionally, the stock has shown negative returns over the past week and month, with declines of 0.67% and 8.66%, respectively, while it has also underperformed the BSE500 over the last year with a return of -21.53%. Despite some positive factors such as high management efficiency indicated by a return on equity (ROE) of 19.57% and a low debt-to-equity ratio, the stock's valuation appears expensive with a price-to-book value of 11.3, contributing to its recent price decline.
In the broader market context, the stock's short-term performance has lagged behind the Sensex, which has gained 1.48% over the past week. The stock's liquidity remains adequate for trading, but there has been a noticeable decrease in investor participation, with delivery volume falling by 0.38% against the five-day average. While institutional investors have increased their stake by 4.08%, indicating some confidence in the company's fundamentals, the overall sentiment remains cautious due to the stock's underperformance in both the near and long term. This combination of factors suggests that while there are some positive indicators, the prevailing trends and valuation concerns are leading to the stock's current downward movement.