Mumbai, Jan. 22 -- PNB Housing Finance Ltd, Kalyan Jewellers India Ltd, Hindustan Copper Ltd and OneSource Specialty Pharma Ltd are among the other losers in the BSE's 'A' group today, 22 January 2026.IIFL Finance Ltd tumbled 10.00% to Rs 560.45 at 14:45 IST.The stock was the biggest loser in the BSE's 'A' group.On the BSE, 6.82 lakh shares were traded on the counter so far as against the average daily volumes of 70600 shares in the past one month.PNB Housing Finance Ltd lost 7.57% to Rs 860.95. The stock was the second biggest loser in 'A' group.On the BSE, 2.32 lakh shares were traded on the counter so far as against the average daily volumes of 77203 shares in the past one month.Kalyan Jewellers India Ltd crashed 5.58% to Rs 374.7. The...