Why is Panasonic Carbon falling/rising?

As of 18-Aug, Panasonic Carbon India Company Ltd. is experiencing a decline in its stock price, currently at 498.90, reflecting a decrease of 3.5 points or 0.7%. The stock has underperformed its sector by 2.17% today and has been on a consecutive downward trend for the last two days, with a total return loss of 1.22%. Over the past week, the stock has shown a modest increase of 4.37%, but it has significantly underperformed over the longer term, with a 1-month decline of 6.05% and a year-to-date drop of 9.32%. The company has a low debt-to-equity ratio, which is a positive factor; however, its long-term growth prospects appear poor, with net sales growing at an annual rate of only 5.58% and operating profit at 4.48% over the last five years. Additionally, the stock's valuation is considered expensive, with a price-to-book value of 1.4, and it has generated a negative return of 11.56% over the past year.
In the broader market context, the stock's recent performance contrasts with the benchmark Sensex, which has gained 0.83% over the past week. While Panasonic Carbon has shown some short-term recovery, its overall performance remains below par, particularly in comparison to the BSE500, where it has underperformed over the last three years, one year, and three months. The declining investor participation, evidenced by a significant drop in delivery volume, further indicates waning interest in the stock, contributing to its recent price decline.