Why is Dredging Corpn. falling/rising?

As of 07-Aug, Dredging Corporation of India Ltd is currently priced at 661.85, reflecting an increase of 5.0 (0.76%). The stock has shown a trend reversal, gaining after two consecutive days of decline. Despite this uptick, the stock's performance over the past week is down by 1.44%, and it has experienced a significant year-to-date decline of 20.46%. Additionally, the stock's delivery volume has decreased by 33.7% against the five-day average, indicating falling investor participation. The stock is trading above its 100-day moving averages but below its shorter-term moving averages, suggesting mixed signals in its recent price action.
In the broader market context, the stock has underperformed compared to the Sensex, which has seen a decline of only 0.69% over the past week. While Dredging Corporation's performance today has outpaced its sector by 0.64%, its longer-term returns are concerning, with a 38.20% drop over the past year compared to a modest 1.45% gain in the Sensex. This disparity highlights the challenges the company faces in regaining investor confidence amidst a broader market that has shown resilience.