VN-Index jumps to fresh 10-month high. The VN-Index closed at its highest level since August 2015 as April's rally continues into May. The index, which has surged 11% since April 4, shook off choppy morning trading to post strong gains in the afternoon, closing up 4.96 points, or 0.8%, to 615.78. VIC (+2.8%) was the top contributor, adding to a 25% gain since March 18 to reach a record high.