US Treasury sells 20-Year Treasuries at lower-than-expected yield

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ISHARES 20+ YEAR TREASURY BOND ETF (NASDAQ: TLT) Delayed: 77.87 +0.73 (0.95%)
Previous Close $77.14    52 Week High $143.62 
Open $77.19    52 Week Low $118.66 
Day High $77.91    P/E N/A 
Day Low $77.07    EPS $0.00 
Volume 49,284,617