Summer slowdown hits, with just $7.5 bln of offerings this week.

$1 billion of debt sold at 1.875% coupon, yielding 65 basis points over Treasuries.

$1 billion of debt sold at 1.875% coupon, yielding 65 basis points over Treasuries.

Company debt benefits as yields on government securities go negative.

Company debt benefits as yields on government securities go negative.

AT&T leads U.S. corporates issuing $17.4 bln as relative yields tighten.

AT&T leads U.S. corporates issuing $17.4 bln as relative yields tighten.

Weeks global corporate bond sales total $39.5 bln, lowest since December.