Magnum Ventures Ltd, N R Agarwal Industries Ltd, Vipul Ltd and Sutlej Textiles and Industries Ltd are among the other losers in the BSE's 'B' group today, 04 February 2021. Magnum Ventures Ltd, N R Agarwal Industries Ltd, Vipul Ltd and Sutlej Textiles and Industries Ltd are among the other losers in the BSE's 'B' group today, 04 February 2021. Kingfa Science & Technology (India) Ltd tumbled 7.72% to Rs 641.55 at 14:33 IST.The stock was the biggest loser in the BSE's 'B' group.On the BSE, 15645 shares were traded on the counter so far as against the average daily volumes of 3589 shares in the past one month.