Why is Aarti Pharma falling/rising?

As of 13-Aug, Aarti Pharmalabs Ltd is experiencing a decline in its stock price, currently at Rs 790.00, which reflects a decrease of Rs 65.0 or 7.6%. Today's price summary indicates that the stock underperformed its sector by 9.09% and opened with a loss of 4.11%. It reached an intraday low of Rs 769.3, marking a significant drop of 10.02%. Over the past week, the stock has seen a return of -3.24%, and over the last month, it has declined by 14.41%. Despite a strong year-to-date performance of 14.95% and a one-year return of 39.16%, the recent trend shows a reversal after four consecutive days of gains, compounded by a notable drop in investor participation, with delivery volume falling by 38.52% against the five-day average.
In the broader market context, the stock's recent performance contrasts with the Sensex, which has remained relatively flat with a change of -0.01% over the past week. While Aarti Pharmalabs has demonstrated strong fundamentals, such as a low Debt to EBITDA ratio and attractive valuation metrics, the current market sentiment appears to be negative, leading to the stock's decline. The stock's ability to generate significant returns over the past year, despite the overall market's negative performance, indicates that it has been resilient; however, the recent price movements suggest that investors may be reacting to short-term volatility rather than long-term fundamentals.