Why is Cello World falling/rising?

As of 13-Aug, Cello World Ltd's stock price is currently at Rs 544.20, reflecting a decrease of Rs 19.45 or 3.45%. The stock has been underperforming, having fallen consecutively for the last four days, with a total decline of 5.76% during this period. It has also underperformed its sector by 3.58% today. The stock's performance over the past week shows a decline of 5.15%, and over the past month, it has dropped by 12.98%. Additionally, the company has reported a low operating profit margin and a significant decline in profit after tax, contributing to its poor long-term growth outlook. Despite having a high return on equity and low debt, the stock's valuation appears expensive, which may deter investors.
In the broader market context, the Sensex has remained relatively stable, with only a slight decline of 0.01% over the past week. Cello World Ltd's performance contrasts sharply with this benchmark, highlighting its struggles as it has generated a return of -38.75% over the past year compared to the Sensex's gain of 2.01%. This significant underperformance against the benchmark and the company's disappointing financial results suggest that investor sentiment is negative, leading to the stock's current decline.