US Treasury market interventions show mixed results

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ISHARES 20+ YEAR TREASURY BOND ETF (NASDAQ: TLT) Delayed: 77.87 --0 (-0%)
Previous Close $77.87    52 Week High $143.62 
Open $77.87    52 Week Low $118.66 
Day High $77.87    P/E N/A 
Day Low $77.87    EPS $0.00 
Volume 808,421