Why is C P C L falling/rising?

As of 30-Jul, Chennai Petroleum Corporation Ltd is experiencing a decline in its stock price, currently at Rs 700.50, which reflects a decrease of Rs 4.25 or 0.6%. The stock has underperformed its sector by 0.31% today and has been on a consecutive downward trend for the last two days, resulting in a total decline of 2.38%. Over the past week, the stock has seen a significant drop of 9.63%, while its performance over the last year shows a stark decline of 31.50%. Despite some positive indicators such as high management efficiency with a return on capital employed (ROCE) of 23.43% and healthy long-term growth in net sales, the recent negative financial results, including a substantial fall in profit before tax and profit after tax, have contributed to the stock's downward movement. Additionally, a decrease in institutional investor participation and the stock trading at risky valuations further exacerbate the negative sentiment surrounding the stock. In the broader market context, the stock's performance has been notably worse than the benchmark, with the Sensex declining only 1.50% over the past week compared to the stock's 9.63% drop. Over the last year, while the market has generated a modest return of -2.34%, Chennai Petroleum Corporation Ltd has significantly underperformed with a return of -31.50%. This stark contrast highlights the challenges the company faces in attracting investor confidence, particularly in light of its recent financial struggles and declining institutional interest.