Mumbai, Aug. 6 -- The US treasury yields edged higher marginally, coming up from a three-week low but the momentum was muted amid tepid economic cues. The US services sector activity contracted marginally in July; data showed on Tuesday. The Institute for Supply Management (ISM) said that its nonmanufacturing purchasing managers index (PMI) slipped to 50.1 last month from 50.8 in June. The ten-year yield currently quotes at 4.22%, up marginally on the day. Meanwhile, Treasury will auction $38 billion in 10-year notes today.

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