UPDATE 2-Hyundai posts surprise profit drop as won dulls winning edge
January 24, 2013 at 01:47 AM EST
*Hyundai gains in China as Japanese rivals struggle. SEOUL, Jan 24- Hyundai Motor Co, ranked fifth in global sales with affiliate Kia Motors, posted a surprise quarterly profit drop as a stronger Korean won dented its overseas earnings, sending its shares falling the most in three weeks.