Why is Cyient DLM falling/rising?

As of 18-Jul, Cyient DLM Ltd's stock price is currently at 479.10, reflecting a decrease of 5.0, or 1.03%. The stock has underperformed its sector today by 0.32% and has experienced a trend reversal, falling after three consecutive days of gains. Over the past week, the stock has declined by 0.65%, while it has shown a modest increase of 4.66% over the past month. However, the stock's year-to-date performance is significantly negative at -28.28%, and it has also underperformed over the past year with a return of -39.40%. Despite a low debt-to-equity ratio and positive recent financial results, including a 27.74% growth in net sales, the stock's long-term growth prospects appear poor, as indicated by a low return on equity and a high price-to-book ratio. Additionally, falling investor participation, as evidenced by a significant drop in delivery volume, may contribute to the stock's recent decline.
In the broader market context, the Sensex has decreased by 0.90% over the past week, indicating that the stock's short-term performance is slightly better than the benchmark. However, the stock's long-term performance remains concerning, as it has underperformed the BSE500 over various time frames, including the last three years and one year. This underperformance, coupled with the stock's high valuation metrics and poor long-term growth rates, suggests that investor sentiment may be negatively impacted, contributing to the recent downward movement in Cyient DLM's stock price.