Mumbai, May 27 -- Cartrade Tech Ltd, TTK Prestige Ltd, Sumitomo Chemical India Ltd and Olectra Greentech Ltd are among the other losers in the BSE's 'A' group today, 27 May 2025.Rategain Travel Technologies Ltd crashed 9.51% to Rs 475.3 at 14:47 IST.The stock was the biggest loser in the BSE's 'A' group.On the BSE, 71504 shares were traded on the counter so far as against the average daily volumes of 24145 shares in the past one month.Cartrade Tech Ltd tumbled 7.15% to Rs 1507.95. The stock was the second biggest loser in 'A' group.On the BSE, 29352 shares were traded on the counter so far as against the average daily volumes of 17448 shares in the past one month.TTK Prestige Ltd lost 6.08% to Rs 643.85. The stock was the third biggest lo...