Trading on HOSE was closed for a second straight day due to technical problems. Hanoi's HNX was little changed on Wednesday, falling less than a tenth of a percent. HVN (-4.6%), which trades on the UPCoM exchange, dropped after surging 27% over the previous three days. VCB said yesterday that it plans to reduce its stake in the national flag carrier to 1.21% from 1.83% over the coming month starting today.