비씨카드, 케이뱅크 상장 후광에 '반짝'…본업 회복까지는 '가시밭길'

BC Card's Q1 earnings growth is a mirage: the 65% year-over-year surge comes entirely from one-time investment gains following K Bank's IPO, while the core payment processing business contracted as major clients like Woori Card migrated to independent networks. This underscores the critical need for business diversification, though structural headwinds in the Korean payments market make a near-term turnaround unlikely.