Why is Amba Enterprises falling/rising?

As of 29-Jul, Amba Enterprises Ltd is experiencing a decline in its stock price, currently at Rs 143.60, reflecting a decrease of Rs 2.0 or 1.37%. The stock has been underperforming, having fallen consecutively for the last four days, resulting in a total decline of 2.97% during this period. It is also trading close to its 52-week low, just 2.16% away from Rs 140.5. In terms of performance against benchmarks, the stock has shown a significant decline of 40.32% over the past year, compared to a negligible change of -0.02% in the Sensex. Despite some positive indicators such as a high return on capital employed (ROCE) of 21.14% and a strong growth rate in net sales and operating profit, these factors have not been sufficient to counteract the stock's recent poor performance.
In the broader market context, the stock's short-term performance has been notably worse than the benchmark, with a 1-week decline of 2.74% compared to the Sensex's drop of only 1.03%. This underperformance is compounded by flat results in the most recent quarter, which included the lowest operating profit to net sales ratio recorded. Although the company maintains a healthy ability to service debt and has shown long-term growth potential, the significant drop in stock price over the past year indicates a lack of investor confidence, particularly in light of the broader market's relatively stable performance.