The heavy pressure from the pillar group is causing the VN-Index to gradually lose momentum in the late morning session. By the mid-session break, the VN-Index had dropped 0.62%, settling at 1,324.4 points. In contrast, the HNX-Index climbed 0.66% to reach 224.69 points. The market breadth was negative, with 353 declining stocks against 306 gainers.