Secret bets on nostalgia, reinvention in comeback

Former hit girl group Secret is embarking on a new chapter, returning with its first new music for the first time in 12 years and introducing a new member in place of two original members.

The comeback has drawn attention not only because of the group's lengthy hiatus, but also because it reflects a growing trend in K-pop.

As the cost of launching rookie groups continues to rise, more companies are finding value in reviving familiar brands.

"Secret Flavor," released Thursday, marks Secret's firs ...