1. Both President Trump and President Xi Jinping touted a U.S.-China trade war truce, announced during the G-20 meeting in Buenos Aires, as a win for their countries. But no agreement beyond their official statements exists, and deep divisions remain.

The news drove up stocks on Wall Street. But optimism was tempered by doubts that the fragile cease-fire would put the dispute between the world’s two largest economies to rest permanently.

The leaders spoke about the move in different ways. Mr. Trump announced on Twitter that China would “reduce and remove” tariffs on American-made cars, which make up about 1 percent of its market. But it’s unclear that China had indeed agreed. Above, news coverage of the agreement.