Prosecutors said Thursday they have again rejected a police request for an arrest warrant for Bang Si-hyuk, chairman and founder of K-pop powerhouse Hybe, citing a lack of supplementary investigation into his alleged unfair stock trading case. The Seoul Southern District Prosecutors Office said it sent the warrant request for Bang, who is under suspicion of violating the Capital Markets Act, back to the police on Wednesday after it was refiled last week. "After reviewing the arrest warrant, (we)