Why is Gennex Lab. falling/rising?

As of 10-Jul, Gennex Laboratories Ltd is experiencing a price increase, currently at Rs 14.33, reflecting a rise of 1.18 or 8.97%. The stock has shown strong performance today, outperforming its sector by 9.54% and has been on a consecutive gain streak for the last four days, accumulating a total return of 15.84% during this period. Over the past week, the stock has risen by 14.46%, while its performance over the last month stands at a positive 9.47%. Despite a year-to-date decline of 12.30%, the company has demonstrated healthy long-term growth with an operating profit increase of 56.07% annually. However, the increase in pledged promoter shares to 23.87% raises some concerns about management confidence.
In the broader market context, Gennex Laboratories Ltd's recent short-term performance significantly contrasts with the Sensex, which has remained relatively flat with a change of -0.06% over the past week. While the stock has shown volatility with an intraday fluctuation of 5.44%, it remains liquid enough for trading, indicating active investor participation. The stock's valuation appears attractive with a Price to Book Value of 1.8, trading at a discount compared to peers, despite a low return on equity of 8.70% suggesting some inefficiencies in management. Overall, the stock's recent upward movement can be attributed to positive investor sentiment and strong operational growth, despite underlying concerns regarding management efficiency and increased pledged shares.