Shares rebound as blue chips perform wellVietnamese shares recovered on March 6 as blue chips performed well on bottom-fishing following the previous sharp falls. Investors at Bao Viet Securities Company. The northern market index dropped 2.14 percent on March 5. The UPCOM Index on the Unlisted Public Company Market (UPCoM) extended growth for a third consecutive day. More than 322.4 million shares were traded on the Vietnamese stock market, worth 8.85 trillion VND (393.3 million USD).