U.S. stock markets opened lower after the Labor Day holiday, two days since the Trump administration imposed tariffs of 15% on thousands of goods made in China.

The U.S.-China trade war remained front of mind for market participants this past week as another round of escalation stoked a sell-off in global equity markets on Friday.

U.S. equities ended another volatile week in negative territory as weak economic data out of Germany and China and a subsequent inversion in the U.S.

The stock market roller coaster continued this past week as escalating trade tensions sent the S&P 500 swinging over 1.3% daily on average throughout the week.

Global equity markets have come under notable pressure following a rapid escalation in trade tensions between the U.S. and China and less accommodative than anticipated commentary from the Federal Reserve at last Wednesday’s meeting.