US stocks ended the session lower Wednesday as investors fretted over a potential US debt default. The S&P 500 (^GSPC) was down 0.73% at the close, while the Dow Jones Industrial Average (^DJI) fell 0.77%, or more than 200 points. The technology-heavy Nasdaq Composite (^IXIC) slipped 0.61%. In Treasuries, the yield on the benchmark 10-year note was a touch higher at 3.74%, while two-year yields rose slightly to 4.36%. and those on the 30-year bond ticked lower to 3.98%. The hangup in Washington's debt-ceiling negotiations is turning out to be longer than expected. Speaker Kevin McCarthy reportedly left Tuesday’s meeting...