On 20/07/2012, HNX officially admitted the delisting of V11:

Name of issuer: Construction JSC No 11
Stock code: V11
Securities type: common stock
Reason for delisting on HNX: Auditor could not give comments on Audited Financial Statement for FY2011
Total delisted volume: 8,399,899 shares
Total delisted par value: VND83,998,890,000
Delisting date: 17/08/2012
Last trading day on HNX: 16/08/2012