U.S. 6-month bills high rate 4.155%

WASHINGTON, Sept 21 (Reuters) - The U.S. Treasury Department said its Dutch bidding auction of 6-month bills brought these results:6-MONTH BILLSRATESHigh 4.155% Median 4.120% Low 4.045% Investment 4.303%PRICE/ACCEPTANCESPrice 97.899417 Accepted at high…