**US Treasury auction 4 wk TBill yield 0.055%, with 13.2% taken at high; bid to cover 3.9 to 1; Non Comps Ttl $636.5 mln

**US Treasury auction 4 wk TBill yield 0.055%, with 13.2% taken at high; bid to cover 3.9 to 1; Non Comps Ttl $636.5 mln