Bond ETFs surge as Treasury market aims for biggest one-day recovery since early August

Bond exchange-traded funds pegged to longer-dated Treasurys were staging a big rally on Monday on a supercharged recovery in U.S. government debt.

Shares of the battered iShares 20-year Treasury bond ETF were on pace for a near 2% gain, at last check, heading for their biggest one-day recovery since Aug. 2, when they gained 3.1%, according to Dow Jones Market Data.