Man Infraconstruction shares gained nearly 3% after promoters acquired 1 lakh shares via open market, increasing their stake to 62.32%. The construction firm reported a over 25% year-on-year rise in Q2 net profit to Rs 60 crore. Quant Mutual Fund is also an investor, holding 1.9% stake. This news follows a recent dividend declaration and a mixed performance over the past few years, with significant long-term gains.