There could be one silver lining: U.S. high-grade supply may continue to be unusually muted over the coming months thanks in large part to tax reform, according to Peter Tchir, the New York-based head of macro strategy at Academy Securities Inc.

These are some of the key dates for markets to watch in the coming months:

-June 8 G-7 leaders meet in Charlevoix, Quebec

-June 13 FOMC rate announcement -June 14 ECB rate announcement

-June 21 BoE rate announcement

-June 22 OPEC meeting

-June 28 EU leaders meet in Brussels

-July 1 Mexico Presidential election

-July 18 ECB forum, Sintra, Portugal

-July 26 ECB rate announcement