Why is C P C L falling/rising?

As of 15-Sep, Chennai Petroleum Corporation Ltd's stock is currently priced at 751.25, reflecting an increase of 17.6, or 2.4%. The stock has shown strong performance recently, with a 7.01% increase over the past week and an 18.75% rise over the past month, significantly outperforming the Sensex, which has only increased by 1.24% and 1.47% in the same periods, respectively. Today's trading saw the stock reach an intraday high of Rs 754.75, and it is currently trading above all key moving averages. However, there is a noted decline in investor participation, with delivery volume falling by 34.57% against the 5-day average. Despite this, the company boasts high management efficiency with a return on capital employed (ROCE) of 23.43% and healthy long-term growth in net sales. Broader market context indicates that while the stock has outperformed the benchmark in the short term, it has underperformed over the past year, with a return of -14.75% compared to the market's -1.33%. This underperformance is compounded by negative financial results reported in June, including significant declines in profit before tax and profit after tax, which have raised concerns about the company's operational profitability. Additionally, a decrease in institutional investor participation, which has fallen by 1.55%, may further impact market sentiment. Overall, while the stock is currently rising, the underlying financial challenges and reduced institutional interest present risks that could affect its future performance.