Japanese investment groups The Nexroc Group and SVCV plan to acquire up to half of South Korean entertainment company JYP Entertainment, a move that has raised doubts about their financing capabilities and credibility. South Korea's Financial Supervisory Service (FSS) stated on Wednesday that it is closely monitoring The Nexroc Group and SVCV for potential unfair trading practices, following a significant surge in JYP's stock price after the acquisition offer.