Container handling through the ports of Seattle and Tacoma climbed 12% on a year earlier in July, including a 19% surge in international imports. That was flattered by a 44% rise in shipments from Canada which in turn were artificially suppressed a year earlier by an end to services by ZIM Shipping. Taking Seattle and Tacoma alongside seven other ports tracked by Panjiva total container handling in the U.S. rose 5% on a year earlier, suggesting the widening range of tariffs being applied by the Trump administration – and resulting retaliation from other countries – has yet to have a sign...