Why is Deep Diamond falling/rising?

As of 10-Oct, Deep Diamond India Ltd's stock is currently priced at 5.81, reflecting a decline of 0.39 or 6.29%. The stock has underperformed its sector today by 5.82% and has experienced a consecutive fall over the last two days, resulting in a total decline of 7.78%. Despite this recent downturn, the stock has shown positive performance over the past week and month, with returns of 8.80% and 41.36%, respectively. However, the stock's long-term performance remains concerning, with a year-to-date decline of 8.60% and a one-year drop of 26.44%. The company's recent financial results indicate a significant growth in net profit of 1586.67%, but it also faces challenges such as a weak long-term fundamental strength, evidenced by a low average return on equity of 2.68% and a poor EBIT to interest ratio of 1.37. In the broader market context, while the stock has performed well in the short term compared to the benchmark Sensex, which has only increased by 1.59% over the past week, it has significantly underperformed over the last year, where the Sensex has gained 1.09%. This stark contrast highlights the stock's volatility and potential investor concerns regarding its long-term viability. Despite the recent rise in investor participation, indicated by a 55.58% increase in delivery volume, the overall sentiment appears to be cautious due to the stock's expensive valuation and its inability to generate consistent returns compared to its peers.