Why is Natl. Aluminium falling/rising?

As of 06-Oct, National Aluminium Company Ltd's stock price is currently at Rs 217.15, reflecting a decrease of Rs 4.0 or 1.81%. Today's performance indicates that the stock has underperformed its sector by 1.12%, following a trend reversal after four consecutive days of gains. The stock reached an intraday low of Rs 216.65, which is a decline of 2.03%. Despite this drop, the stock is trading above its 5-day, 20-day, 50-day, 100-day, and 200-day moving averages, suggesting a generally positive trend over a longer period. The company has demonstrated strong fundamentals, including a high return on equity (ROE) of 17.57%, a low debt-to-equity ratio, and significant growth in operating profit and net sales over the past six months. However, the stock's performance over the past year has been less favorable, with a return of -1.32%, despite a substantial increase in profits.
In the broader market context, National Aluminium's short-term return of +6.42% over the past week significantly outpaces the Sensex's return of +1.77%, indicating that the stock has been performing well relative to the market recently. However, the year-to-date performance shows a modest gain of 2.55% compared to the Sensex's 4.67%, suggesting that while the stock has had strong short-term movements, it has lagged behind the benchmark over a longer timeframe. The high institutional holdings at 30.82% may provide some stability, as these investors typically have better resources for analyzing company fundamentals. Overall, while the stock has shown strong operational performance and investor interest, the recent price decline may reflect profit-taking after previous gains and the challenges of maintaining momentum in a fluctuating market.