The U.S. and China are moving closer to settling their fight over tariffs, but data on the state of global trade is worsening, which is a bad sign for markets. What’s Happening Data released late last Friday showed that the J.P. Morgan Global Manufacturing Purchasing Managers’ Index dropped to 50.7 in January. A reading above 50 indicates growth, but the index is signaling its weakest expansion in 2½ years. The…