Mumbai, June 13 -- The US Bond yields were in a range and largely held onto a soft bias as tepid inflation readings shaped up the trajectory downwards. The Labor Department said its producer price index for final demand inched up by 0.1% after slipping by a revised 0.2% in April. While annual rate of growth by producer prices accelerated to 2.6% in May from 2.5% in April, the rate of change is still lax and clubbed with a soft reading on consumer prices front earlier in the week, is turning instrumental in keeping a check on the US bond yields. Rising global uncertainty following Israel's attack on Iran is also dominating sentiments. Yields softened further today to approach 4.31%, lowest in five-weeks.

Meanwhile, the Treasury Department...