The United States and Canada closed their mutual border to “non-essential traffic”.<br />This happened while Trump made moves to hasten medical equipment production.<br />Trump said hospital ships would be deployed in the battle against the coronavirus.<br />The new steps were announced as Wall Street extended a four-week plummet amid deepening concerns.<br />Most concerns regard the worsening public health crisis, according to Reuters.<br />It has paralyzed large sectors of the U.S. economy and led to fears of a global recession.