What does hype have to do with big black companies?

Head office and subsidiaries. Speculation actually developed from BigHit. At first, BigHit was just a small company, but after the combination of BTS became popular, the company's economy improved a lot and developed into a big company. Now BigHit is included in the hype, which is similar to the meaning of an independent subsidiary. With the development of hype, there are still many subsidiaries to manage.