Investors split on blue chips. The VNI managed to close up 0.4% at 491.26 after an early dip in the morning session. Investors were split on the blue chips. GAS, MSN and VCB contributed 3.78 points while BVH, STB and VIC knocked off 1.22 points. The HNI was narrow bound, closing at 60.62 down 0.4%. Trading volume on the HOSE was down 17% to 39m shares but rose 18% to 32m shares on the HNX.