Our most-read: NAFTA updates and tariff reactions

A new rules-of-origin proposal and optimism on both China and NAFTA.... USTR floats new NAFTA auto rules plan, with wages factored in . U.S. NAFTA negotiators indicated a willingness to scrap a demand for 50 percent U.S. content in auto manufacture and adopt a methodology that would include a wage factor equivalent to $15 an hour as part of regional value. The U.S. also proposes to add flexibility to an update tracing list, hooked to a net result that produces...