U.S. default rates expected to edge up slowly in the next few quarters
Rate has remained virtually unchanged since March
Reducing the frequency of auctions under consideration
Ratings agency expects upward pressure to continue
Well-informed investors can achieve above-average yields
ArcaEx will initially focus on U.S corporate bonds.
Increases minimum par amount for eligible bonds
Investment grade, high yield market benchmarks to aid retail investors
Slowdown in U.S. economy would trigger wave of defaults
No signs of a sharp deterioration looming