On 26/06/2012, HNX officially admitted the compulsory delisting of VMG:

Name of issuer: Vung Tau Petroleum Trading and Service JSC
Stock code: VMG
Securities type: common stock
Reason for compulsory delisting on HNX: VMG stock had no trading for 12 months
Total delisted volume: 9,600,000 shares
Total delisted par value: VND96,000,000,000
Delisting date: 26/07/2012