LookAtVietnam – Substantial buying in blue chips supported the advance of the VN-Index to 381.97 points yesterday, an increase of 2.42 per cent. In Ha Noi, the HASTC-Index yesterday gained 1.62 per cent to 132.75 points. (Photo: VNN)Volume remained brisk, with 42.6 million shares changing hands, for a total value of VND1.26 trillion (US$70.8 million. [...]