Hanoi, June 5 -- The Hanoi Stock Exchange successfully organised 17 G-bond auctions in May, raising more than 18 trillion VND (690.31 million USD) for the State Treasury. The May fundraising brought the five-month total to 170.92 trillion VND, or 34.2% of the full-year target. The auctions offered 5-year, 10-year, 15-year, 20-year, and 30-year tenors, with the 10-year bonds having the highest share of the total issuance at 83.8%, or over 15.1 trillion VND. The final session of the month recorded winning bid rates of 2.41% for 5-year bonds, 3.08% for 10-year notes, 3.2% for 15-year securities, and 3.3% for 30-year bonds, representing increases of 10, 3, 10, and 2 basis points respectively compared to the final April auction. On the seconda...