17 Nov 2025
BLACK MARBLE SECURITIES LTD v. RABIE, ABOU BAKR MAHMOUD AND ANOTHER
- Citation
- [2025] HKCFI 5487
- Court
- Court of First Instance
- Case number
- HCA952/2020
Court found as a matter of fact that a Pre‑Approved Trading Arrangement evolved by about 11 October 2016 granting Thomas discretion over share trading but not a secret arrangement kept from Black Marble; Thomas breached duties (including in relation to unauthorised warrant trading, failure to explain Chinese account documents, conflicts/commissions and failure to keep client informed); Black Marble breached supervisory/internal control duties and is vicariously liable for Thomas’s breaches; unlawful means conspiracy claim failed because elements (notably knowledge/intention and causative unla…