More signs emerged in a wave of reports this week that global manufacturing is buckling from President Donald Trump¡¯s trade war.

Purchasing manager indexes across Asia, along with revised numbers in Europe on Friday, showed new or persisting contractions in factory activity in April.

The reports capped a flurry of worrying signals: Few economies are avoiding the concussion of tariffs and paralyzing uncertainty that¡¯s engulfed the world economy one month after the U.S. president announced widespread taxes on American imports.