Mumbai, Aug. 8 -- The US 10-year yield continued to edge up yesterday, adding to gains from a three-month low. The benchmark 10-year note yield added 2 basis points to 4.24%. Treasury Department on Thursday revealed this month's sale of $25 billion worth of thirty-year bonds attracted below average demand. The thirty-year bond auction drew a high yield of 4.813 percent and a bid-to-cover ratio of 2.27. The Treasury sold $22 billion worth of thirty-year bonds last month, drawing a high yield of 4.889 percent and a bid-to-cover ratio of 2.38. This added to concerns sparked by tepid reception for 10-year notes earlier in the week. However, an increase in jobless claims capped major advances in yields. Sustained drop in crude oil prices also ...