Goldstone Investment Group Limited is an investment holding company principally engaged in the trading of financial assets at fair value through profit or loss; it invests in equity securities, equity-related securities and debt-related securities of listed and unlisted companies across sectors including petroleum, manufacturing, education and securities investment. The company maintains a diversified portfolio comprising unlisted equity investments such as a 23.70% stake in E-Com Holdings Pte Ltd, which provides Chinese e-learning platforms for primary school students in Singapore and other Asian regions; listed equity investments including State Energy Group International Assets Holdings Limited, focused on garments, sportswear, property, marketing services and timepieces; and unlisted investment funds like HF Multi-Asset Strategy Fund, which invests in fixed income debt instruments, private bonds, listed securities and pre-initial public offering SPAC, alongside fixed income products collateralised by antiques and art, and private bond investments in special materials for 3D printing. Incorporated in the Cayman Islands in 2001 and headquartered at Room 901, Sing Ho Finance Building, 166-168 Gloucester Road, Wan Chai, Hong Kong, the company employs three people and operates primarily in Hong Kong and Singapore with its ultimate controlling party being Mr. Hu Haisong through APAC Investment Holdings Limited. Recent developments include the extension of Bond III maturity from 16 July 2022 to 15 July 2023 with interest increased to 8% per annum; ongoing negotiations to restructure borrowings and secure new financing amid net liabilities of HK$90.4 million as of 31 December 2022; a winding-up petition filed in February 2023 over matured convertible bonds and a statutory demand in April 2023 for rental arrears; and a net loss on financial assets at FVTPL of HK$10.7 million, reflecting unrealised losses primarily from unlisted investment funds offset partially by gains in unlisted equity.