The shockwaves from a second day of heavy global selling following the Dow Jones Industrial Average's 4.6% decline washed over Vietnamese markets on Tuesday with the VN-Index closing off 3.5% and down 8.5% over the last two days. Trading value on HOSE surged to USD668 mn. The index opened sharply lower and was down as much as 6.3% in the first hour of trading, which would have been its biggest one-day loss since 2001 had it closed there, but an afternoon rally pushed the market back above 1,000