Before Monday’s rebound in risk assets, investors rushed into the biggest long-dated Treasury ETF at a record pace. Traders poured almost $1.8 billion into BlackRock’s iShares 20+ Year Treasury Bond fund (TLT) last week -- the most since it began trading in 2002. A volatile election season combined with fears of a second wave of coronavirus hindering the economic rebound are motivating some traders to shift toward safety.