Why is Vertoz falling/rising?

As of 09-Sep, Vertoz Ltd's stock price is currently at 76.33, reflecting a decrease of 0.6, or 0.78%. The stock has shown a significant decline over the past week and month, with returns of -4.71% and -16.01%, respectively, while the benchmark Sensex has increased by 1.18% and 2.07% in the same periods. Despite this recent downturn, the stock has performed exceptionally well year-to-date, with a remarkable increase of 449.53%. Today's price summary indicates that the stock is performing in line with its sector, although there has been a decrease in investor participation, as evidenced by a 6.46% drop in delivery volume compared to the 5-day average. The company has a low debt-to-equity ratio and has shown healthy long-term growth, with net sales increasing at an annual rate of 44.96%. However, the high percentage of pledged promoter shares, which has risen to 80.03%, poses a risk that could exert downward pressure on the stock price in a falling market.
In the broader market context, Vertoz's short-term performance has lagged behind the benchmark, which has seen positive returns while the stock has declined. This divergence may reflect investor concerns regarding the pledged shares and the recent drop in trading volume, which could indicate waning confidence among investors. Despite the company's strong historical performance and attractive valuation metrics, the current market sentiment appears cautious, influenced by the risks associated with the pledged shares and the recent underperformance relative to the benchmark.