Tumult in markets tied to President Trump’s intensifying trade war couldn’t come at a worst time for major U.S. corporations looking to pull off a big borrowing blitz. March tends to bring a deluge of new investment-grade corporate bond issuance,

The dollar hit three-month lows on Wednesday as the U.S.' trade war with its partners escalated, while a major overhaul to German government borrowing triggered the biggest sell-off in the country's debt since the late 1990s.