**US Treasury auction 4 wk TBill yield 4.150%, with 57.0% taken at high; bid to cover 2.5 to 1; Non Comps Ttl $3.1 bln

**US Treasury auction 4 wk TBill yield 4.150%, with 57.0% taken at high; bid to cover 2.5 to 1; Non Comps Ttl $3.1 bln