Why is C P C L falling/rising?

As of 28-Oct, Chennai Petroleum Corporation Ltd (CPCL) is experiencing a significant rise in its stock price, currently at Rs 842.80, which reflects an increase of Rs 73.3 or 9.53%. The stock has shown strong performance today, having opened with a gain of 2.02% and reaching an intraday high of Rs 854.65, which is 11.07% higher than the previous close. Additionally, CPCL is trading close to its 52-week high, just 1.92% away from Rs 858.95. Over the past week, the stock has increased by 8.16%, and it has outperformed the sector by 9.59%. The company's strong fundamentals are underscored by a high return on capital employed (ROCE) of 23.43% and impressive growth in net sales and operating profit, which have grown at annual rates of 19.17% and 27.57%, respectively.
In the broader market context, CPCL's recent performance stands out, particularly when compared to the Sensex, which has only increased by 0.24% over the past week. The stock's year-to-date return of 34.50% significantly outpaces the Sensex's 8.30% increase, highlighting its strong market position. Despite the positive momentum, it is important to note that CPCL has a high debt-to-equity ratio of 2.01, which poses a risk. However, the stock's attractive valuation, trading at a discount compared to its peers, along with rising investor participation and liquidity, suggests that the recent price movement is driven by strong investor confidence and positive company performance.