Core Viewpoint - Morgan Stanley is facing scrutiny from U.S. House of Representatives' China Competition Committee Chairman John Moolenaar regarding its due diligence in the IPO of Zijin Mining International (2259.HK) [1] Group 1: Regulatory Scrutiny - Moolenaar has requested additional information from Morgan Stanley's CEO Ted Pick, including documents and communications related to the IPO transaction [1] - The committee is concerned whether the transaction aimed to consolidate Zijin Mining's overseas gold assets into an independent entity while allowing Zijin Mining to remain the controlling shareholder [1] Group 2: Sanctions Concerns - There are serious concerns regarding Morgan Stanley's due diligence in assessing a company (Zijin Mining) that has been placed on a U.S. sanctions list [1] - This scrutiny follows previous actions where the committee issued subpoenas to JPMorgan Chase and Bank of America for their involvement in the Hong Kong listing of CATL [1]