The VN-Index enjoyed its biggest one-day increase in two months on Tuesday, closing at the high of the session up 1.5%. VNM (+3.4%) was the top contributor as the dairy firm has jumped 8.1% over the last three days since hitting a 10-month low. BID (+3.8%) and BVH (+6.9%) each climbed to four-month highs while VCB (+1.6%) and CTG (+2.9%) also saw strong gains.