The revision follows a similar move by Gemini Cooperation partner Maersk as frontloading on the trans-Pacific and Asia–Europe trades fills ships and drives up rates.
President Donald Trump provided no details on how the proposed 20% charge — the legality of which is already being questioned — would be assessed, implemented or collected.
The strong second-quarter performance is a clear indication of the financial rewards carriers are reaping from frontloading on the two main trades out of Asia.