The Port of Los Angeles saw the biggest October drop in volumes in over two decades as the U.S.-China trade war wreaks havoc on the container trade and last year’s front loading means tougher comparables going forward.

The largest U.S. maritime gateway moved 770,189 twenty-foot equivalent units (TEUs) in October, a 19% decrease from a year earlier.

That rate is the steepest decline for October in 24 years of available monthly statistics. Since 1995, October container volume handling managed to show an average 6.6% yearly rise…