U.S. Commodity Futures Trading Commission (CFTC): As of the week ending March 18, speculators reduced their net short positions in CBOT U.S. 2-year Treasury futures by 1,659 contracts to 1,220,556 contracts, increased their net short positions in U.S. 5-year Treasury futures by 32,573 contracts to 1,905,940 contracts, increased their net short positions in U.S. 10-year Treasury futures by 144,299 contracts to 881,374 contracts, and reduced their net short positions in ultra-long Treasury futures by 4,236 contracts to 247,158 contracts.